Statement-1: Oxidation number of carbon in HCHO is zero.
Because
Statement-2: HCHO is a covalent organic compound.
A. Statement-1 is true, statement-2 is true, statement-2 is a correct explanation for statement-4
B. Statement-1 is true, statement-2 is true, statement-2 is not a correct explanation for statement-4
C. Statement-1 is true, statement-4
D. Statement-1 is false, statement-2 is false