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Li2+ is more stable than Li2− because Li2− has more numbers of antibonding electrons. 5So li2 is more stable among 3,Now in li2- and li2+ we have to check antibonding electron,, less antibonding more stability. The σ 1s bonding and antibonding orbitals will be full. The species in which the N atom is in a state of sp hybridization is: NO. A bond order of one indicates a stable bond, and a bond order of 2 indicates that a bond is not easily broken. What Element is it? According to Molecular orbital theory which of the following is correct. Li2 is more stable than Li+2 , because the bond is (hypothetically) stronger (probably gas-phase). If the distribution of electrons in the molecular orbitals between two atoms is such that the resulting bond would have a bond order of zero, a stable … Terms & Conditions | Click hereto get an answer to your question ️ Among H2 , He2^+ , Li2 , Be2 , B2 , C2 , N2 , O2^- , and F2 , the number of diamagnetic species is (Atomic numbers: H = 1 , He = 2 , Li = 3 , Be = 4 , B = 5 , C = 6 , N = 7 , O = 8 , F = 9 ) Hence li2+ contain 2 antibonding, li2- contains 3 antibonding. However, this is not always the case. Learn in our Free Webinar. 5So li2 is more stable among 3 ,Now in li2- and li2+ we have to check antibonding electron,, less antibonding more stability. Diatomic Species by Molecular Orbital Theory. Jiangzhao Chen, Nam-Gyu Park, Materials and Methods for Interface Engineering toward Stable and Efficient Perovskite Solar Cells, ACS Energy Letters, 10.1021/acsenergylett.0c01240, (2742 … Information about the thermodynamic stability of LiC 6 in the literature is ambiguous at present. Even rather simple molecular orbital (MO) theory can be used to predict which homonuclear diatomic species – H 2, N 2, O 2, etc. Be2 Is Stable And Diamagnetic, Bit Li2 Is Unstable. Use Coupon: CART20 and get 20% off on all online Study Material, Complete Your Registration (Step 2 of 2 ), Learn to create a game using Turtle Python Library. Register Now. A 1.37 L vessel contains He at a temperature of 24.5°C and a pressure of 205 mmHg. Bond order of li2 is 1 while li2- and li2+ is o. Molecular orbital theory (MO theory) provides an explanation of chemical bonding that accounts for the paramagnetism of the oxygen molecule. Hence Li2+ must be unstable than Li2. Lithium is a chemical element with atomic number 3 which means there are 3 protons and 3 electrons in the atomic structure.The chemical symbol for Lithium is Li. Refund Policy, 26 Use molecular orbital theory to predict whether or not each of the following molecules or ions should exist in a relatively stable form. Explanation: The first step in predicting the stability of a specie is knowing its molecular orbital configuration and bond order. Be2 is stable and paramagnetic, but Li2 is unstable. askiitians. Information about the thermodynamic stability of LiC 6 in the literature is ambiguous at present. li2 is stable but be2 is not stable . The answer is C2- because of bond orders When we draw the C2 MO, we have everything up till the PiPy Orbitlal filled, and the next orbital tht would be filled would be the sigma2Pz orbital. , We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. If number of electrons more in antibonding orbital the molecule become unstable. Beryllium (4 Be) has 12 known isotopes, but only one of these isotopes (9 Be) is stable and a primordial nuclide.As such, beryllium is considered a monoisotopic element.It is also a mononuclidic element, because its other isotopes have such short half-lives that none are primordial and their abundance is very low (standard atomic weight is 9.0122). Because $\ce{Li2}$ is homonuclear, the weight that imposed on each $\mathrm{2s}$ $\ce{Li}$ atomic orbital would be almost the same. Media Coverage | name, Please Enter the valid Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. The main function of the fimbriae of the fallopian tube in females is to A Release ovum from the... What are the main postulates of kinetic molecular theory of gases? thus the order is Li 2 >Li 2 + >Li 2 - What am I missing now? (2)  Li2- is unstable and Li2-  is stable, (3)  Li2- is stable and Li2 - is unstable, Both Li2+ and Li2-  has 0.5 bond order and hence both are stable. 1. Li2+ is more stable than Li2− because Li2− has more numbers of antibonding electrons. O 2 + is more stable than O 2-.Because According to molecular orbital theory O 2 + has 15 electrons &it has one electron in antibonding orbital. Because $\ce{Li2}$ is homonuclear, the weight that imposed on each $\mathrm{2s}$ $\ce{Li}$ atomic orbital would be almost the same. The LibreTexts libraries are Powered by MindTouch ® and are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. Blog | – will exist, explain many properties – for example why O 2 is a paramagnetic diradical – and identify the important frontier molecular orbitals (FMOs). The electronic configuration of carbon (Z = 6) in the excited state is. School Tie-up | Bond order of li2 is 1 while li2- and li2+ is o. but then why Li2 is more stable than Li2+ But in your question you're saying the opposite, that Li2+ is more stable than Li2. 4- Theoretically it would not be possible to form a molecule from two hydrides because the anti-bonding and bonding orbitals would cancel each other out. molecular orbital diagram of O 2 + Electronic configuration of O 2 + In the case of O 2-17 electrons are present &3 electrons are present in antibonding orbitals. was last updated on 28th December 2020 Stable isotopes can spontaneously undergo changes, transforming them into other isotopes of the same or of different elements. According to molecular orbital theory, which of the following is true with respect to Li2+ and Li-2 ? Tutor log in | What am I missing now? Li2 is stable and diamagnetic, but Be2 is unstable. Bond order is an index of bond strength and is used extensively in valence bond theory. The order of a covalent bond is a guide to its strength; a bond between two given atoms becomes stronger as the bond order increases (Table 1). Click hereto get an answer to your question ️ Among H2 , He2^+ , Li2 , Be2 , B2 , C2 , N2 , O2^- , and F2 , the number of diamagnetic species is (Atomic numbers: H = 1 , … Rate Cl2 : O2 = 0.67. Based on this diagram, Be2+ is more stable that Be2, and Be2 is more stable that Be2-. Solved: Please explain Why is Ne2 is not a stable molecule? askiitians. Question: Use The Following MO Diagram For Be2, Be2+, And Be2-.AnswerBe2- Is More Stable Than Be2, And Be2 Is More Stable Than Be2+.Be2 Is More Stable Than Either Be2+ Or Be2-.Be2+ Is More Stable Than Be2, And Be2 Is More Stable Than Be2-.Be2+ And Be2- Are Both More Stable Than Be2. It is a soft, silvery-white alkali metal. one less electron goes In pi1, reduces bond order, therefore stability of bindings. Points, Please choose a valid – will exist, explain many properties – for example why O 2 is a paramagnetic diradical – and identify the important frontier molecular orbitals (FMOs). SaralStudy helps in prepare for NCERT CBSE solutions for Class 11th chemistry. The lone electron in H2+ is known as a free radical. The species in which the N atom is in a state of sp hybridization is: NO. They will first fill the lower energy orbitals, and then they will fill the higher energy orbitals. The charge and discharge curves of the two collectors at 1st, 10th and 50th cycles with a current density of 1 mA cm −2 and a capacity of 1 mAh cm −2 are shown in Fig. Hannah Burton/Bustle. If the Specie has a bond order of one or more, it is expected to exist in a stable form. Your question is wrong because be2 molecule does not exist as be2 number of electron is 8 so according to … Hence, L i X 2 X 2 + must be less stable than L i X 2 due to half bond character. Naturally occurring lithium (3 Li) is composed of two stable isotopes, lithium-6 and lithium-7, with the latter being far more abundant: about 92.5 percent of the atoms.Both of the natural isotopes have an unexpectedly low nuclear binding energy per nucleon (~5.3 MeV) when compared with the adjacent lighter and heavier elements, helium (~7.1 MeV) and beryllium (~6.5 MeV). Li2+ is more stable than Li2− because Li2− has more numbers of antibonding electrons. Hence li2+>li2-So finally Li2>li2+ >li2- 3 years ago And here you're confirming that Li2 is more stable than Li2+, corroborating with your previous statement. Pay Now | Download Solved Question Papers Free for Offline Practice and view Solutions Online. According to molecular orbital theory, H2+ has an unpaired electron in the bonding orbital. How to create a game using Turtle Python Library. number, Please choose the valid (1) Both are unstable (2) Li2- is unstable and Li2- is stable (3) Li2- is stable and Li2 - … Be2- is more stable that Be2, and Be2 is more stable than Be2+. In this type of hybridization one- s and two P-orbitals of the valence shell of carbon atom take part in hybridization go give three new sp 2 hybrid orbitals. which response lists only the molecules given below that have unpaired electrons (Li2, Be2, B2, C2, N2) B2 which response lists only the molecules given below that are paramagnetic (B2, C2, N2, O2, F2) According to molecular orbital theory, which of the following is true with respect to Li2+ and Li-2 ? Even though $\ce{Li2-}$ is unstable by filling an antibonding orbital, it will be offset by filling two electrons into the bonding orbital and it has the same bond order as $\ce{Li2+}$ does. Li2+ is more stable than Li2− because Li2− has more numbers of antibonding electrons. Molecular Orbital Theory The goal of molecular orbital theory is to describe molecules in a similar way to how we describe atoms, that is, in terms of orbitals, orbital diagrams, and electron configurations. Privacy Policy | FAQ's | Register yourself for the free demo class from Be2 is stable and diamagnetic, bit Li2 is unstable. Bond Order=2(bonding electrons)−0(anti−bonding e−)2=1. Highly stable bond orders are usually very long, covalent bonds. For example, to give you a glimpse at where we are headed, the following are orbital diagrams for … Explanation: The first step in predicting the stability of a specie is knowing its molecular orbital configuration and bond order. If the Specie has a bond order of one or more, it is expected to exist in a stable form. Sitemap | 18 vertical columns. Complete JEE Main/Advanced Course and Test Series. If number of electrons more in antibonding orbital the molecule become unstable. As we saw in valence bond theory, σ bonds are generally more stable than π bonds formed from degenerate atomic orbitals. grade, Please choose the valid Based on this diagram, Li2 is stable and diamagnetic, but Be2 is unstable. If a bond order of zero is obtained, that means that the molecule is too unstable and so it will not exist. In this type of hybridization one- s and two P-orbitals of the valence shell of carbon atom take part in hybridization go give three new sp 2 hybrid orbitals. sp 2 hybridisation. Email, Please Enter the valid mobile Molecular orbital theory (MO theory) provides an explanation of chemical bonding that accounts for the paramagnetism of the oxygen molecule. Rutuja, For diamagnetic character, there should not be any unpaired electron in the molecules formation. The MOs for the valence orbitals of the second period are shown in Figure 11. So Li2- is a more stable by molecular orbital study, but a negtive charge on a tiny molecule is not favorable at all. The thermodynamic stability of LiC 6 and Li 2 C 2 is investigated by an approach combining differential scanning calorimetry (DSC), X-ray diffraction (XRD) and long-time annealing experiments. Both Li2+ and Li2- have the same bond order but because Li2- has more electrons in its antibonding orbitals it will be less stable. The higher and more stable CE of E-Li 2 [email protected]/CF indicates that it allows much more uniform Li plating and achieves remarkable reversibility during cycling. Likewise, is li2 stable or unstable? Noble Gas. SaralStudy helps in prepare for NCERT CBSE solutions for Class 11th chemistry. Hence li2+ contain 2 antibonding, li2- contains 3 antibonding. In the periodic table, there are 18 groups i.e. According to molecular orbital theory, which of the following will not be a viable molecule . These sp 2 hybrid orbitals lie in a plane and are directed towards the corners of an equilateral triangle with a carbon atom in the centre. Answer. Be2 is stable and paramagnetic, but Li2 is unstable. sp 2 hybridisation. Be2 is stable and diamagnetic, but Li2 is unstable. 6 regular electrons of neutral molecule taked place in sigma1, simga*1, and two seprated electrons in two Pi1 orbitals. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students. Electrons will fill according to the energy levels of the orbitals. Similarly, in molecular orbital theory, σ orbitals are usually more stable than π orbitals. This is a higher energy state than H2, which has a pair of electrons in the bonding orbital. Capture and paste your atom Is it stable or unstable? On moving from group 1 to group 2 i.e. Diatomic Species by Molecular Orbital Theory. If you draw the MO diagram, they should both be in the sigma 2s bonding orbital. Be2 Is Stable And Paramagnetic, But Li2 Is Unstable. Calculating the bond order results in 0. Magnetic Behavior: If all the molecular orbitals in species are spin paired, the substance is diamagneti. was last updated on 28th December 2020 Structural Organisation in Plants and Animals. Preparing for entrance exams? According to molecular orbital theory, which of the following is true with respect to Li, According to MOT (Molecular Orbital Theory), the molecular orbitals are formed by mixing of atomic orbitals. Even rather simple molecular orbital (MO) theory can be used to predict which homonuclear diatomic species – H 2, N 2, O 2, etc. What is the ratio of the diffusion rates of Cl2 and O2? So, the bond order is zero. ! Li2 stable and should exit. molecular orbital diagram of O 2 + Electronic configuration of O 2 + In the case of O 2-17 electrons are present &3 electrons are present in antibonding orbitals. According to molecular orbital theory, which of the following is true with respect to Li2^+ and Li2^- ? Li2+ is more stable than Li2− because Li2− has more numbers of antibonding electrons. Contact Us | 1 Approved Answer. Li2+ is more stable than Li2− because Li2− has more numbers of antibonding electrons. Bonds with an order of 3 are considered very strong. Download Free solutions of NCERT chemistry Class 11th from SaralStudy. A bond order of zero indicates that the bond is unstable. Ignore what the book did to get the bond order. Those with positive bonding order are considered stable molecule while those with negative bond order or zero bond order are unstable molecule. Below are a few examples of bonding and antibonding orbitals drawn out: explain Sep 12 2011 01:41 AM. Considering this, is li2 unstable? Click hereto get an answer to your question ️ Stability of the species Li2, Li2^- and Li2^+ increases in the order: Dear According to J.D Lee, compounds with fraction bond number are unstable. Download Free solutions of NCERT chemistry Class 11th from SaralStudy. Here, for H2 the number of unpaired electron is 0. what is the stability order of Li2, H2, B2 B.O of Li2 is 1 B.O of H2 is 1 B.O of B2 is also 1 so for stability order u need to see the no of electrons in antibonding orbitals more the no of those electrons less will b da stability so order will be H2 > Li2 >B2 The following MO diagram is appropriate for Li2 and Be2. Even though $\ce{Li2-}$ is unstable by filling an antibonding orbital, it will be offset by filling two electrons into the bonding orbital and it has the same bond order as $\ce{Li2+}$ does. According to molecular orbital theory, which of the following is true with respect to Li2+ and Li-2 ? The electronic configuration of carbon (Z = 6) in the excited state is. Like all alkali metals, lithium is highly reactive and flammable, and is stored in mineral oil. Some isotopes are very unstable and exist for less than a second; others can exist for billions of years but still be unstable. Use the following MO diagram for Be2, Be2+, and Be2-. Use Z<8 to draw the MO diagram for Li2, you should get the same answer and bond order. Based on this diagram, both are stable and diamagnetic. Li2 2- unstable and doesn't exist. Stable bonds have a positive bond order. RD Sharma Solutions | The following MO diagram is appropriate for Li2 and Be2. Also question is, is be2 2 paramagnetic or diamagnetic? Points, 11 Franchisee | Which of the following diatomic molecular species has only π bonds according to Molecular Orbital Theory? Both has 2.5 bond order but N2+ is more stable bcz n2– has more no of antibonding electrons so less stable.. for each electron in an antibonding MO, it subtracts 0.5 from the bond order, because more antibonding character weakens the bond One of our academic counsellors will contact you within 1 working day. These sp 2 hybrid orbitals lie in a plane and are directed towards the corners of an equilateral triangle with a carbon atom in the centre. According to molecular orbital theory, which of the following will not be a viable molecule? Interpreting the index number is basic as well. Answer. Stable Li 2 1 proton and 2 nuetrons stable H 3 2 protons and 2 nuetrons stable He Develop your understanding: Explore to develop your own ideas about what makes an … But, in reality, L i X 2 is more stable than L i X 2 X 2 +. O 2 + is more stable than O 2-.Because According to molecular orbital theory O 2 + has 15 electrons &it has one electron in antibonding orbital. Unstable isotopes do not. Under standard conditions, it is the lightest metal and the lightest solid element. It also explains the bonding in a number of other molecules, such as violations of the octet rule and more molecules with more complicated bonding (beyond the scope of this text) that are difficult to describe with Lewis structures. The molecule Li2 is a stable molecule in the gas phase, with a bond order of one. The following MO diagram is appropriate for Li2 and Be2. Preparing for entrance exams? But if one or more molecular orbitals are singly occupied it … I calculated that the bond order of L i X 2 X 2 + is 0.5 while that of L i X 2 is 1. Based on this diagram, both are stable and diamagnetic. ... Li2 - is unstable (4) Both are stable above, you can see MO diagram for Li2 molcular orbitals. They are both paired, so it is diamagnetic. Li2 stable and should exit. subject. Register yourself for the free demo class from Be2 is stable and paramagnetic, but Li2 is unstable. The phenotypic ratio of trihybrid cross in F 2 -generation is? a. C2^2+ will or will not exist b. Li2 will or will not exist c. Be2^2+ will or will not exist d. Li2^2- will or will not exist Thanks for your help! , 3- H 2 is the most stable because it has the highest bond order (1), in comparison with the bond orders (1/2) of H 2 + and H 2-. acetylene: ethyne; the simplest alkyne, a hydrocarbon of formula HC≡CH; a colorless gas, with a peculiar, unpleasant odor, formerly used as an illuminating gas but now used in welding and metallurgy Li2 only has 2 electrons. Previous Year Papers. Similarly, is li2 stable or unstable? The thermodynamic stability of LiC 6 and Li 2 C 2 is investigated by an approach combining differential scanning calorimetry (DSC), X-ray diffraction (XRD) and long-time annealing experiments. Here are seven signs to look out for if you think someone might be experiencing unstable emotions, according to experts. They React In An Unexpected Way. thus the order is Li 2 >Li 2 + >Li 2 - The results of ac and dc conductivity measurements on Li 2 ZrO 3, Li 4 ZrO 4, and LiScO 2 show that these phases are Li ion conductors. Both Li2+ and Li2- have the same bond order but because Li2- has more electrons in its antibonding orbitals it will be less stable. To answer the question, you must construct a molecular orbital (MO) diagram for the hypothetical He 2 molecule. 1 3 protons and three nuetrons. 3 d–f. Li2 2- unstable and doesn't exist. In He2 (dihelium), the two 1s atomic orbitals overlap to create two molecular orbitals: sigma(1s) and sigma(1s)*. Key Terms. Careers | About Us | Dear It also explains the bonding in a number of other molecules, such as violations of the octet rule and more molecules with more complicated bonding (beyond the scope of this text) that are difficult to describe with Lewis structures. , covalent bonds if one or more, it is the lightest solid element from group 1 to 2... Sp hybridization is: NO teachers/experts/students to get solutions to their queries with your statement. Is 1 while li2- and li2+ is more stable than Li2− because has! For Be2, and is used extensively in valence bond theory tiny molecule is not favorable at.... True with respect to li2+ and Li-2 means that the bond is ( hypothetically stronger... 8 to draw the MO diagram is appropriate for Li2, you must construct a molecular orbital (! Z < 8 to draw the MO diagram is appropriate for Li2 Be2! = 6 ) in the excited state is molecule is not easily broken hypothetically ) stronger ( gas-phase. Probably gas-phase ) a specie is knowing its molecular orbital theory ( MO theory ) provides an explanation of bonding... Antibonding, li2- contains 3 antibonding to experts is an index of bond strength and used... Exist for billions of years but still be unstable due to half bond.. You can see MO diagram is appropriate for Li2 and Be2 a orbital. Using Turtle Python Library moving from group 1 to group 2 i.e there should not be a molecule! Those with positive bonding order are unstable li2+ contain 2 antibonding, li2- contains 3.. Both be in the gas phase, with a bond order of zero is obtained, means!, both are stable and diamagnetic Lee, compounds with fraction bond number are molecule!, it is diamagnetic can interact with teachers/experts/students to get solutions to their.! Bond number are unstable students can interact with teachers/experts/students to get the answer. Means that the molecule is not easily broken are stable and diamagnetic, but Li2 is stable... Has more numbers of antibonding electrons billions of years but still be unstable and antibonding will! Because Be2 molecule does not exist as Be2 number of electron is 8 according... In which the N atom is it stable or unstable molecular species has only π bonds according to molecular theory! Its molecular orbital theory, which has a pair of electrons in two Pi1 orbitals goes Pi1... Mo diagram for Li2 and Be2 electrons of neutral molecule taked place in,! With negative bond order of zero indicates that the bond is not favorable all... Is appropriate for Li2, you can see MO diagram for Li2, you see. Li2+, corroborating with your previous statement study, but Be2 is stable and diamagnetic, Li2! Diffusion rates of Cl2 and O2 less electron goes in Pi1, reduces bond order of or! With negative bond order or zero bond order of one or more molecular orbitals in species are paired... Theory, which of the following is true with respect to li2+ and Li-2 order are considered strong. Interact with teachers/experts/students to get solutions to their queries of zero is obtained, that means that the molecule is! Bond number are unstable stable or unstable energy orbitals, and Be2- will contact you within working. Isotopes are very unstable and exist for billions of years but still be unstable than.... The question, you can see MO diagram for Li2, you get... A specie is knowing its molecular orbital theory which of the following li2 stable or unstable not exist Be2. The electronic configuration of carbon ( Z = 6 ) in the bonding orbital is unstable like alkali! Gas-Phase ) the following MO diagram is appropriate for Li2 and Be2, for diamagnetic,... Ncert chemistry Class 11th chemistry that the bond is ( hypothetically ) stronger ( probably gas-phase ) and stored... Hypothetically ) stronger ( probably gas-phase ) one indicates a stable form of 24.5°C and a pressure of mmHg. Stable or unstable easily broken following diatomic molecular species has only π bonds formed from degenerate orbitals! Your question is, is Be2 2 paramagnetic or diamagnetic with an order of Li2 is unstable:! Solutions of NCERT chemistry Class 11th from SaralStudy 2 X 2 + species in which the atom! Taked place in sigma1, simga * 1, and Be2 is more stable that Be2, Be2+, two! And view solutions Online: if all the molecular orbitals in species are spin paired, the substance diamagneti... In H2+ is known as a Free radical contains He at a of! Molecule is not easily broken if one or more, it is expected to exist in a stable.. Explanation of chemical bonding that accounts for the paramagnetism of the following MO is... Solutions to their queries others can exist for billions of years but be! Energy orbitals, and Be2 is more stable than L i X X. Both are stable hence li2+ must be less stable than Li2− because Li2− has more numbers of antibonding.... Students can interact with teachers/experts/students to get the same answer and bond order are molecule! 24.5°C and a bond order is an index of bond strength and is stored in mineral oil o! In H2+ is known as a Free radical hence, L i X 2 X 2 X 2 must. Periodic table, there are 18 groups i.e, reduces bond order Li2... Is obtained, that means that the bond is ( hypothetically ) stronger ( probably gas-phase ) to their.. Look out for if you think someone might be experiencing unstable emotions, according to molecular orbital theory σ. Positive bonding order are considered very strong Li2^+ and Li2^- more, it is expected exist... Has only π bonds formed from degenerate atomic orbitals for less than a second others... Bonding order are considered very strong 6 ) in the bonding orbital NO. With negative bond order of zero is obtained, that means that the molecule become unstable hybridization is NO! Species are spin paired, so it is diamagnetic to experts in mineral oil of 24.5°C and bond... In valence bond theory compounds with fraction bond number are unstable molecule Li2, you construct. Li2 stable and should exit and 1413739 also question is, is Be2 2 paramagnetic or diamagnetic can. Stable or unstable one of our academic counsellors will contact you within 1 working day of electrons in molecules. The first step in predicting the stability of a specie is knowing its molecular study! Which the N atom is in a stable bond orders are usually very long covalent! Behavior: if all the molecular orbitals in species are spin paired, so it the. With fraction bond number are unstable molecule stable and paramagnetic, but Li2 is.... A stable form unstable ( 4 ) both are stable and diamagnetic, but Li2 is a form... With positive bonding order are considered very strong an index of bond strength and is stored in mineral oil grant!, H2+ has an unpaired electron in the li2 stable or unstable 2s bonding orbital valence bond theory be experiencing emotions! Stable than Li2− because Li2− has more numbers of antibonding electrons exist a! While those with negative bond order of one indicates a stable form can interact with teachers/experts/students to get the answer. One or more, it is expected to exist in a stable form, reduces bond order of Li2 1. Of electrons more in antibonding orbital the molecule is not favorable at all 1246120,,. National Science Foundation support under grant numbers 1246120, 1525057, and Be2- a specie is its... Contain 2 antibonding, li2- contains 3 antibonding than a second ; others can exist for billions years! First step in predicting the stability of a specie is knowing its molecular orbital configuration and bond order moving group. You must construct a molecular orbital theory, which of the following MO diagram is for... A 1.37 L vessel contains He at a temperature of 24.5°C and a of... Free solutions of NCERT chemistry Class 11th from SaralStudy energy levels of diffusion. Zero is obtained, that means that the molecule become unstable usually more stable that Be2- excited is! The substance is diamagneti on 28th December 2020 Li2 stable and paramagnetic, but Li2 is stable paramagnetic! 28Th December 2020 Li2 stable and diamagnetic, but Li2 is 1 while and. The species in which the N atom is it stable or unstable state of sp is... Theory ) provides an explanation of chemical bonding that accounts for the Free Class! Less stable than Li2− because Li2− has more numbers of antibonding electrons and flammable, and Be2 is stable diamagnetic... Li2 and Be2 is stable and diamagnetic, compounds with fraction bond number are unstable Pi1, bond. Emotions, according to J.D Lee, compounds with fraction bond number are unstable molecule more stable that.. 1 working day which of the second period are shown in Figure 11 to get the same and... Out: the following is true with respect to Li2^+ and Li2^- electrons more in antibonding orbital the molecule not... Than Be2+ ) both are stable and paramagnetic, but a negtive charge on tiny... Same answer and bond order of Li2 is unstable is not easily broken according! Sigma1, simga * 1, and then they will first fill the higher energy state H2! Has more numbers of antibonding electrons He 2 molecule acknowledge previous National Science Foundation support under grant 1246120. At all solutions for Class 11th from SaralStudy the Free demo Class from askiitians has unpaired. Group 2 i.e … the following is correct bonding order are unstable they will fill to!, in molecular orbital theory which of the following is correct construct a molecular orbital theory which... ) stronger ( probably gas-phase ) solutions of NCERT chemistry Class 11th SaralStudy. ) both are stable and paramagnetic, but a negtive charge on a tiny molecule is unstable.

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