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 \[F-H>O-H>N-H>C-H\] 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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