NEET 2019 Chemistry question

The number of sigma () and pi () bonds in pent-2-en-4-yne is :

Answer: (1)

Solution

Pent-2-en-4-yne is (five carbons; double bond at C-2, triple bond at C-4). bonds: C-C single framework = 4 (C1-C2, C2-C3, C3-C4, C4-C5); C-H bonds

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Question ID VK-092420