Chemical Bonding - Result Question 127

####27. The cyanide ion $CN^{-}$and $N _2$ are isoelectronic, but in contrast to $CN^{-}, N _2$ is chemically inert because of

(1997 C, 1M)

(a) low bond energy

(b) absence of bond polarity

(c) unsymmetrical electron distribution

(d) presence of more number of electron in bonding orbitals

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Solution:

  1. $N _2$ is a neutral, non-polar, inert molecule while $CN^{-}$is a highly polar, highly active ion.


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