Published by:
CGP EDU Academic Team
Published on: August 14, 2026
In this type of questions, a statement of assertion 
is followed by a statement of reason
(R). Mark the correct choice as:
Assertion : 
has higher bond length than 
.
Reason : 
is paramagnetic.
Text Solution
Verified by ExpertsThe correct answer is:
D
Structure 
121 pm
B.O 2.0 1.5
The bond length decreases as bond order increases. Hence, bond length of 
is higher than 
.
The resonance forms do not show any unpaired electrons. Hence, 
molecule is not paramagnetic.
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