JAMB Chemistry 2019 Objective — Question 14

Question 14 of 40 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2019 Objective paper, with the correct answer and a full explanation.

Which of the following is similar to ethyne?

A. PropyneCorrect
B. But-2-yne
C. pent-2-yne
D. Hex-3-yne

Explanation

Both ethyne and propyne are terminal alkynes (the carbon-to-carbon triple bond is at the terminal/end carbon). But-2-yne, pent-2-yne and hex-3-yne are all non-terminal alkynes.

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