question_answer

A compound gives a positive test with \[{{I}_{2}}/NaOH\]and is extracted from benzene by saturated \[NaHS{{O}_{3}}\]. The compound is:

A)  \[C{{H}_{3}}{{(C{{H}_{2}})}_{3}}COC{{H}_{3}}\]

B)  \[C{{H}_{3}}{{(C{{H}_{2}})}_{4}}CHO\]

C)  \[C{{H}_{3}}C{{H}_{2}}COC{{H}_{2}}C{{H}_{3}}\]

D)  \[C{{H}_{3}}{{(C{{H}_{2}})}_{4}}C{{H}_{2}}OH\]

Correct Answer: A

Solution :

Acetaldehyde and methyl ketone gives the iodoform reaction.