SATHEE: Chemical Bonding and Molecular Structure - Result Question 121

Chemical Bonding and Molecular Structure - Result Question 121

####125. The correct order of $N - O$ bond lengths in $N O$ , $N O_{2}^{-}, N O_{3}^{-}$ and $N_{2} O_{4}$ is

[1996]

(a) $N_{2} O_{4} > N O_{2}^{-} > N O_{3}^{-} > N O$

(b) $N O > N O_{3}^{-} > N_{2} O_{4} > N O_{2}^{-}$

(c) $N O_{3}^{-} > N O_{2}^{-} > N_{2} O_{4} > N O$

(d) $N O > N_{2} O_{4} > N O_{2}^{-} > N O_{3}^{-}$

Show Answer

Solution:

(c) The $N - O$ bond length decreases in the order

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