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Question

Chemistry Question on Aldehydes, Ketones and Carboxylic Acids

The IUPACIUPAC name of crotonaldehyde is

A

butenaldehyde

B

butanal- 11

C

but- 22 -en- 11 -al

D

prop- 22 -en- 11 -ol

Answer

but- 22 -en- 11 -al

Explanation

Solution

The structural formula of crotonaldehyde is
C4H3?C3H=C2HC1HObut-2-en-1-al\overset{4}{C}H_{3} ? \underset{\text{but-2-en-1-al}}{{ \overset{3}{C}H = \overset{2}{C}{H} \overset{1}{C}HO}}