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

Option: 1

Ag


Option: 2

Ca


Option: 3

Cu


Option: 4

Cr


Answers (1)

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During electrolysis of an aqueous solution of s block elements, which lie above H+ ion in the activity series, hydrogen ion gets reduced at the cathode and

H2 gas is released.

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