1.

Statement-1:Sodium chloride is added during electrolysis of fused anhydrous magnesium chloride. Statement-2:Anhydrous magnesium chloride is obtained by heating hydrated magnesium chloride, MgCl_2. 6H_2O

Answer»

Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-1
Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-1
Statement-1 is True, Statement-2 is False.
Statement-1 is False, Statement-2 is True.

Solution :S-1:It lowers the fusion TEMPERATURE of `MgCl_2` and provide CONDUCTIVITY to the ELECROLYTE.
S-2: `MgCl_2. 6H_2O` is calcined in a stream of dry HCL gas to have anhydrous `MgCl_2` . In absence of dry HCl. It forms `Mg_2OCl_2 (MgO. MgCl_2)` because of HYDROLYSIS .


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