A) \[5\sigma \] and \[3\pi \]
B) \[5\sigma \] and \[1\pi \]
C) \[3\sigma \] and \[2\pi \]
D) \[4\sigma \] and \[1\pi \]
Correct Answer: C
Solution :
Acetylene is represented as \[H\overset{\sigma }{\mathop{--}}\,C\underset{\pi }{\mathop{\overset{\overset{\pi }{\mathop{-}}\,}{\mathop{\overset{\sigma }{\mathop{=}}\,}}\,}}\,C\underset{Acetylen}{\mathop{\overset{\sigma }{\mathop{----}}\,}}\,H\] Therefore, it contains \[3\sigma \] and \[2\pi \] electrons.
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