Aldehydes Ketones Question 200
Question: $ A\xrightarrow{{}}{{(CH_3)}_2}C=CHCOCH_3A $ is
[MHCET 2004]
Options:
A) Acetone
B) Acetaldehyde
C) Propionaldehyde
D) Formaldehyde
Show Answer
Answer:
Correct Answer: A
Solution:
Two molecules of acetone condense in presence of dry HCl gas to form mesityl oxide. $ \begin{matrix} CH_3 \\ CH_3 \\ \end{matrix}>C=O+H_2-CH-\overset{O}{\mathop{\overset{||}{\mathop{C}}}}-CH_3\underset{-H_2O}{\mathop{\xrightarrow{HCl}}} $
$ {{(CH_3)}_2}\underset{\text{Mesityl oxide}}{\mathop{C=CH.COCH_3}} $
BETA
