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Question

Which compound with C₅H₈ has a degree of unsaturation of 2 and contains a triple bond?

Options

Choose one · Correct answer highlighted

Explanation

Degree of unsaturation = (2C + 2 - H)/2 = (12 - 8)/2 = 2. CH₃CH₂C≡CCH₃ (pent-2-yne) has one triple bond (2 units), fitting C₅H₈.