NEET Solved Paper 2019 Question 12

Question: The number of sigma ( $ \sigma $ ) and pi ( $ \pi $ ) bonds in pent-2-en-4-yne is- [NEET 5-5-2019]

Options:

A) 11 $ \sigma $ bonds and 2 $ \pi $ bonds

B) 13 $ \sigma $ bonds and no $ \pi $ bond

C) 10 $ \sigma $ bonds and 3 $ \pi $ bonds

D) 8 $ \sigma $ bonds and 5 $ \pi $ bonds

Show Answer

Answer:

Correct Answer: C

Solution:

  • $ HC\equiv CCH=CHCH _3 $ $ 10\sigma +3\pi -Bonds $