A) more in ethane
B) more in ethane
C) more in ethyne
D) same in all the above
Correct Answer: C
Solution :
\[H-\underset{|}{\mathop{\overset{|}{\mathop{C}}\,}}\,-<=\overset{|}{\mathop{C}}\,-H<\equiv C-H\] Bond energy \[411~~~~~444.14~\,\,\,\,\,\,506.99\text{ }J\]. \[mol{{e}^{-1}}\] So the \[C-H\]bond energy is more in ethyne
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