A) ethane
B) ethane
C) ethyne
D) \[C{{H}_{3}}OH\]
Correct Answer: C
Solution :
The bond strength increases with increase in s-character of hybridisation amongst sp-(s-character \[=50%\]) \[s{{p}^{2}}-\] (s-character \[=33%\]) and \[s{{p}^{3}}-\] (s-character \[=25%\]) hybridizations, the maximum s-character is in sp-hybridisation and sp-hybridisation is found in ethyne. Hence, the strongest \[C-C\]and \[C-H\] bonds are present in ethyne.
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