Some Basic Principles Of Organic Chemistry Question 25
Question: Acetylene molecules contain [DCE 1999]
Options:
A) 5 $ \sigma $ bond
B) 4 $ \sigma $ bond and $ 1\pi $ bond
C) 3 $ \sigma $ and 2 $ \pi $
D) 3 $ \sigma $ and 3 $ \pi $
Show Answer
Answer:
Correct Answer: C
Solution:
$ H\overset{\sigma }{\mathop{-}},C\underset{\pi }{\overset{\sigma }{\mathop{\equiv }}},C\overset{\sigma }{\mathop{-}},H $
$ 3\sigma , $ and $ ,2\pi $ bonds are present.