Published by:
CGP EDU Academic Team
Published on: August 14, 2026
In which of the following transformations, the bond order has increased and the magnetic behaviour has changed?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
As there is no unpaired electron in 
, it is diamagnetic.
Bond order 
(NO) Total 
As there is one unpaired electron, it is paramagnetic.
Bond order 
Electron is taken away from non-bonding molecular orbital that's why bond order increases. All other have the same magnetic behavior before and after.
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