Assertion : The photochemical reactions `H_2 + Cl -> 2HCl` and `H_2 + Br_2 -> 2HBr` have equal quantum efficiencies.
Reason : Both the reactions proceed by similar mechanism.
| A. |
If both assertion and reason are true and the reasion is the correct explanat ion of the assertion. |
| B. |
If both assertion and reason are true and the reasion is not the correct explanat ion of the assertion |
| C. |
If assertion is t rue but reason is false |
| D. |
If assertion is false but reason is true |
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