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H(2)^(+) ion contains one electron in bo...

`H_(2)^(+)` ion contains one electron in bonding and one in antibonding molecular orbitals.

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Explain bonding and antibonding molecular orbitals.

Distinguish two aspects of bonding and antibonding molecular orbitals.

The molecular orbital with the lowest eenrgy is filled first. Thus sigma (1s) is filled first where as 'sigma^(*)(2p) isfilled in thelast, also the maximum number of electron in bonding and antibonding molecular orbitals are according to Pauli and Hund's rule. As an electron in an antibonding molecular orbital cancels out the stability introduced by the electron in a bonding molecular orbital, it means that in order for bonding of atoms to occur there should be an excess of bonding electron sover antibonding electrons. In case where the number of bonding and antibonding electrons are equal, no bond will be formed between the atoms. With the help of above discussion, we can define easily bond order, relative bond length, relative stability and magnetic properties for a molecule. According to MOT which statement is correct about Boron molecule ?

Statement 1 : Bond order in a stable molecule can be fractional. Statement 2: The value of bond order depends upon the number of electrons in bonding and antibonding molecular orbitals.

How will you differentiate between bonding and anti bonding molecular orbitals ?

Which of the following contain maximum number of electrons in the antibonding molecular orbitals

What are the main points of difference between bonding and antibonding molecular orbitals?

What is LCAO method? How does it lead to the concept of bonding and antibonding molecular orbitals? What are the main points of difference between bonding and antibonding molecular orbitals?

Assertion : Supeoxides of alkali matels are paramagnetic. Reason : Superoxides conatain the ion O_(2)^(-) which has one unpaired electron in its anti-bonding molecule orbital.

(a) What is linear combination of atomic orbitals ? (b) illustrate bonding and antibonding molecular orbitals based on homonuclear dihydrogen molecule.

ICSE-CHEMICAL BONDING AND MOLECULAR STRUCTURE-TRUE OR FALSE TYPE QUESTIONS
  1. An ionic compound conducts electricity even in the solid state due to ...

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  2. In Cl2 molecule, each Cl atom contains only one lone pair of electrons...

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  3. O2 molecule is paramagnetic in nature.

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  4. Covalent compounds possess very high melting and boiling points.

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  5. lonic reactions are much faster than the molecular reactions.

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  6. The bond length in H2 molecule is 0.174 Å.

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  7. The bond length of C-C bond is greater than that of C=C bond.

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  8. Atoms A and B with Lewis structures : underset(* *)overset(* * )A: and...

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  9. Dipole moment is a scalar quantity and is given by m=q xx r.

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  10. All molecules with polar bonds have dipole moment.

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  11. The repulsive interaction between two lone pairs is less than that bet...

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  12. pi- molecular orbital always contains a nodal plane which divides the ...

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  13. The orbitals of an atom having large difference in energy cannot take ...

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  14. Noble gases are soluble in water due to dipole induced dipole interact...

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  15. The mobile electrons in a metal occupy specified positions in the latt...

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  16. A bonding molecular orbital is formed when the electron waves of the c...

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  17. In a bonding molecular orbital, the electron density is almost zero be...

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  18. The maximum number of electrons that can be accommodated in a molecula...

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  19. H(2)^(+) ion contains one electron in bonding and one in antibonding m...

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  20. For N2 molecule, Nb = 8 and Na = 2.

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