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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Answer:
Correct Answer: 27. ( b )
Solution:
- $N _2$ is a neutral, non-polar, inert molecule while $CN^{-}$ is a highly polar, highly active ion.
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