concentrated sulphuric acid on reaction with NaCl, NaBr and Nal produces HCl, bromine and iodine respectively. What order of oxidising ability of halogens with reference to sulphuric acid can be established on the basis of this reaction ?
A. `H_(2)SO_(4) gt l_(2) gt Br_(2) gt Cl_(2)`
B. `Cl_(2) gt H_(2)SO_(4) gt Br_(2) gt l_(2)`
C. `H_(2)SO_(4)gt Cl_(2) gt Br_(2) gt l_(2)`s
D. `Cl_(2) gt Br_(2) gt l_(2) gt H_(2)SO_(4)`