Which of the following alkenes on ozonolysis give a mixture of ketones only?

Answer

C, D

Explanation

Alkenes which have two substituents on each carbon atom of the double bond, give mixture of ketones on azonolysis , i.e., option (c ) and (d) .

On the other hand, alkenes (a) and (b) give a mixture of two aldehydes.

(b)`CH_3-undersetunderset(CH_3)|CH-CH=CH_2 underset((ii)Zn//H_2O)overset((i)O_3//C Cl_4, 196 K)to underset"2-Methylpropanal"(CH_3-undersetunderset(CH_3)|CH-CH=O)+underset"Methanal"(O=CH)`