(A) `HClO_(4)` is stronger acid than `HClO_(3)`.
(R ) Oxidation state of Cl in `HClO_(4)` is +VII and in `HClO_(3)`, it is+V.
A. If both (A) and (R ) are true. and (R ) is the correct explanation of (A).
B. If both (A) und (R ) are true, but (R ) is not the correct explanation of (A).
C. lf (A) and (R ) is false.
D. lf (A) and (R )are both false.