Exams › JEE Main › Chemistry

Number of σ and π bonds present in ethylene molecule is respectively:

1. 3 and 1
2. 5 and 2
3. 4 and 1
4. 5 and 1

Correct answer: 5 and 1

Solution

Ethylene (CH2=CH2) has 4 C-H sigma bonds and 1 C-C sigma bond (total 5 sigma) plus 1 pi bond. So the answer is 5 and 1, not 4 and 1.

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