Question

How many $\sigma$ and $\pi$ bonds are present in $HC \equiv C - CH = CH - CH_{3}?$

• A. $9\sigma,4\pi$
• B. $10\sigma,3\pi$
• C. $6\sigma,6\pi$
• D. $5\sigma,5\pi$

Answer 1

Answer: (B)

$10\sigma,3\pi$

Answer 2

No. of $\sigma$ - bonds = 10; No. of $\pi$ - bonds = 3