The given structure has a trans double bond and a hydroxyl group attached to one of the double bonded carbons. Therefore, the correct name would be trans-2,3-diethylpent-2-en-4-yn-1-ol. Option A and D have a cis double bond, and option B and E have a different position of the double bond. Therefore, option C is the correct choice.

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Name the Structure

Question 36

Multiple Choice

Name the structure. Name the structure. A) cis-3-ethyl-4-hydroxymethyl-hex-3-en-1-yne B) cis-2,3-diethylpent-2-en-4-yn-1-ol C) trans-2,3-diethylpent-2-en-4-yn-1-ol D) cis-3,4-diethylpent-3-en-1-yn-5-ol E) trans-3,4-diethylpent-3-en-1-yn-5-ol

A) cis-3-ethyl-4-hydroxymethyl-hex-3-en-1-yne
B) cis-2,3-diethylpent-2-en-4-yn-1-ol
C) trans-2,3-diethylpent-2-en-4-yn-1-ol
D) cis-3,4-diethylpent-3-en-1-yn-5-ol
E) trans-3,4-diethylpent-3-en-1-yn-5-ol

Correct Answer: