Aldehydes Ketones Question 151
Question: Which of the following will give yellow precipitate with $ I_2/NaOH $
[IIT 1997]
Options:
A) $ ICH_2COCH_2CH_3 $
B) $ CH_3COOCOCH_3 $
C) $ CH_3CONH_2 $
D) $ CH_3CH(OH)CH_2CH_3 $
Show Answer
Answer:
Correct Answer: A
Solution:
$ ICH_2COCH_2CH_3\xrightarrow{I_2/NaOH}CHI_3+ $
$ CH_3CH_2COONa $
$ CH_3-\underset{OH}{\mathop{\underset{|}{\mathop{CH}}}}-CH_2CH_3\underset{NaOH}{\mathop{\xrightarrow{I_2}}} $
$ CH_3CH_2COONa+CHI_3 $
BETA
