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Maximum bond angle at nitrogen is present in which of the following
A
$NO_2$
B
$NO_2^-$
C
$NO_2^+$
D
$NO_3^-$
Detailed Solution
$NO_2^+$ is linear ($sp$), bond angle $180^\circ$.
Order: $NO_2^+$ ($180^\circ$) > $NO_2$ ($\approx 132^\circ$) > $NO_3^-$ ($120^\circ$) > $NO_2^-$ ($\approx 115^\circ$)
Order: $NO_2^+$ ($180^\circ$) > $NO_2$ ($\approx 132^\circ$) > $NO_3^-$ ($120^\circ$) > $NO_2^-$ ($\approx 115^\circ$)