Assertion (A) `H_(2)O_(2)` reduces `Cl_(2)` to HCl.
Reason (R ) `H_(2)O_(2)` is called antichlor.
A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true but R is not a correct explanation of A
C. A is true but R is fales
D. A is fales but R is true.