in cupric chloride,valency of copper is _____.
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Copper forms two types of chlorides - cuprous chloride, Cu2Cl2, and cupric chloride, CuCl2. In the Cu2Cl2, the metal and chlorine atoms are 1:1 ratio and in CuCl2 the atomic ratio is 1:2. Therefore, the valencies of copper are 1 and 2
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