MCQ
What is the number of sigma and pi bonds in ethene (C2H4)?
Chemistry
A 4 sigma, 1 pi
B 5 sigma, 1 pi
C 4 sigma, 2 pi
D 5 sigma, 0 pi
Explanation

Ethene has 4 C-H sigma bonds + 1 C-C sigma bond = 5 sigma bonds, and 1 C=C pi bond.