1.

Identify the set of metals that require same amount of charge for the equation of one mole of metals

Answer»

Na, AG, Al
ZN, CU, Ag
Al, Cu, Zn
Mg, Zn, Cd

Solution :Since the valencies of Mg, Zn and Cd are same, that is, 2 equal amounts of CHARGE is required for the desposition of atomic masses of these metals


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