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Linear Combination of Atomic Orbitals

Which one of ...

Question

Which one of the following statement regarding molecular orbital is incorrect

A

The energy of anti bonding MO is less than the combining atomic orbital and it stabilizes the molecule

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B

The energy of bonding MO is less than the combining atomic orbital and it stabilizes the molecule

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C

The increase in energy of anti bonding MO is same the decrease in energy of bonding MO

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D

Bonding MO is formed by the addition of wave functions

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Solution

The correct option is A
The energy of anti bonding MO is less than the combining atomic orbital and it stabilizes the molecule

Antibonding orbitals have higher energy than atomic orbitals

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Q. Assertion : In the bonding molecular orbital (MO) of

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Q. Assertion :In the bonding molecular orbital (MO) of

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Q. According to MOT (Molecular Orbital Theory), the molecular orbitals are formed by mixing of atomic orbitals through LCAO (linear combination of atomic orbitals). The correct statement (s) about molecular orbitals is/are Statement (a) : bonding molecular orbitals are formed by addition of wave-functions of atomic orbitals of same phase Statement (b) : anti-bonding molecular orbitals do not take part in bond formation because they belong to inner shells Statement (d) : anti-bonding molecular orbitals provide stability to molecules while bonding molecular orbitals make the molecules unstable.

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