Q.
$\underset{(A)}{3CH_3COCH_3} \xrightarrow[-2H_2O]{HCl}$
$(CH_3)_2C = CH - CO - \underset{(B)}{CH} = C(CH_3)_2$
This polymer (B) is known as
Aldehydes Ketones and Carboxylic Acids
Solution:
Correct answer is (a) phorone
