Chemistryhard · Past Paper
How many sigma and pi bonds are there in a molecule of Ethyne?
A2 sigma, 3 pi
B3 sigma, 2 pi
C3 sigma, 1 pi
D5 sigma, 0 pi
✓ Correct Answer: B — 3 sigma, 2 pi
Ethyne (H-C≡C-H) has two C-H sigma bonds, one C-C sigma bond, and two C-C pi bonds.
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