Assertion: `NaBO_(3) //OH^(-)` can be used for oxidation of `Cr^(3+)` to `Cr^(6+)`
Reason: IN alkaline medium `NaBO_(3)` produces `H_(2)O_(2)`

Options

A. If both (A) and (R) are true and (R) is the correct explanation of (A)
B. if both (A) and (R) are true but (R) is not correct explanation of (A)
C. If (A) is true but (R) is false
D. If (A) is false but (R) is false

Answer

A