How many sigma and pi bonds are there in an ethyne mole... – Chemistry

Chemistrymedium · Past Paper

How many sigma and pi bonds are there in an ethyne molecule?

A1 sigma, 2 pi

B2 sigma, 1 pi

C3 sigma, 2 pi

D2 sigma, 2 pi

✓ Correct Answer: C — 3 sigma, 2 pi

In ethyne (H-C#C-H), there are 2 C-H sigma bonds, 1 C-C sigma bond, and 2 C-C pi bonds, totaling 3 sigma and 2 pi bonds.

Share this question