Compound X on reaction with O 3 followed by Zn / H 2 O gives formaldehyde and 2 -methyl propanal as products. The compound X is:

Step-by-step solution

Reductive Ozonolysis of alkenes gives aldehydes and ketones. 3 -Methylbut- 1 -ene on ozonolysis gives 2 - methyl   propanal and methanal on reductive ozonolysis.