Which one of the following bonds has the highest average bond energy?
A
S==O
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B
C≡≡C
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C
C≡≡N
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D
N≡≡N
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Solution
The correct option is AN≡≡N B.E of S==O,C≡≡C,C≡≡NandN≡≡N are 523,839,891 and 941kJmol−1 respectively. Thus, among the given molecules, N≡≡N has the highest bond energy.