Question

The number of sigma ($\sigma$) and pi ($\pi$) bonds in pent-2-en-4-yne is:

• A. 10$\sigma$ bonds and 3$\pi$ bonds
• B. 8$\sigma$ bonds and 5$\pi$ bonds
• C. 11$\sigma$ bonds and 2$\pi$ bonds
• D. 13$\sigma$ bonds and no $\pi$ bonds

Answer 1

The correct option is A 10$\sigma$ bonds and 3$\pi$ bonds

Number of $\sigma$ bonds = 10
Number of $\pi$ bonds = 3