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Question

The metal that cannot be obtained by electrolysis of an aqueous solution of its salts is:

A
Ag
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B
Ca
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C
Cu
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D
Cr
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Solution

The correct option is B Ca
From the given metals calcium stands out as a highly reactive one. It belongs to the alkaline earth metals group and is never found in the native state.
It is extracted by the electrolysis of anhydrous molten CaCl2.

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