Single Choice

But-2-en-1-ol is the IUPAC name of :

A$$CH_{3}-CH=CH-CHO$$
B$$CH_{2}=CH-CH_2-CH_2-OH$$
C$$CH_{3}-CH=CH-OH$$
D$$CH_{3}-CH=CH-CH_{2}-OH$$
Correct Answer

Solution

But-2-en-1-ol is the IUPAC name of $$CH_{3}-CH=CH-CH_{2}-OH$$. The numbering will start from the carbon directly attached to the oxygen of the alcohol group and the second carbon is a doubly bonded carbon. Option D is the correct answer.


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