1.

Statement-1:Addition of ammonium chloride to a solution containing ferric and magnesium ions is essential for selective precipitation of ferric hydroxide by aqueous ammonia. Statement-2:The function of NH_4Cl is to supress the ionization of NH_4OH by common ion effect and thus prevents the precipitation of Mg(OH)_2 becuause K_(sp) of Mg(OH)_2 is high.

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 :NA


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