NEET 2019 Chemistry Hydrocarbons MCQ Question with Solution

The number of sigma (σ) and pi (π) bonds in pen $t^{-2}$ -e $n^{-4}$ -yne is

A

10 σ bonds and 5 π bonds

B

11 σ bonds and 2 π bonds

C

13 σ bonds and no π bonds

D

10 σ bonds and 3 π bonds

Correct Answer

Option D

Detailed Explanation

Pen $t^{-2}$ -e $n^{-4}$ -yne has a triple bond (1 σ and 2 π bonds) and a double bond (1 σ and 1 π bond), along with single bonds (σ bonds). Total: 10 σ and 3 π bonds.

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NEET 2019 Chemistry Hydrocarbons MCQ Question

Correct Answer

Detailed Explanation

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