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Question
Chemistry
Mark the incorrect statement in the following.
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Q. Mark the incorrect statement in the following.
AIPMT
AIPMT 1994
Chemical Bonding and Molecular Structure
A
The bond order in the species $O_2 ,O_2^+ $ and $ O_2^-$ decreases as $O_2^+ > O_2 > O_2^-$
6%
B
The bond energy in a diatomic molecule always increases when an electron is lost
69%
C
Electrons in antibonding $MO$ contribute to repulsion between two atoms
19%
D
With increase in bond order, bond length decreases and bond strength increases
6%
Solution:
When a diatomic molecule lost electron, then its bond order may increase or decrease, so its bond energy may decrease or increase.