A) \[C-H\]
B) \[N-H\]
C) \[O-H\]
D) \[F-H\]
Correct Answer: B
Solution :
The bond between H and more electronegative element is more stable ie, its bond energy is maximum. Hence, the order of energy of bond formed between diatomic molecules should be as: \[FH>OH>NH>CH\] but the bond energy of N?H and C?H bond is comparable and the bond energy of N?H \[(85\approx 110)\]is less than the bond energy of C?H bond \[(90\approx 110)\].
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