Electrolysis of a $C u S O_{4}$ produces:

An increase in

p H

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A decrease in

p H

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Either decrease or increase

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None

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Solution

The correct option is B An increase in $p H$
During electrolysis of $C u S O_{4}$ , $C u^{2 +}$ get deposited on cathod as Cu and hydrogen get liberated at anode and solution is rich in $H_{2} S O_{4}$ electrolyte,hence increase in $p H$ .

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Q. An aqueous solution of

C u S O_{4}

is subjected to electrolysis using inert electrodes. The pH of the solution will:

Electrolysis is carried out in three cells : (A) - 1.0 $M C u S O_{4},$ Pt electrodes; (B) - 1.0 $M C u S O_{4},$ , Copper electrode; (C) - 1.0 $M K C l$ , Pt electrodes. If the volume of electrolytic solution is maintained constant in each of the cells, which is correct set of pH changes in (A), (B) and (C) cells respectively?

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Electrolysis of a CuSO4 produces:

The correct option is B An increase in pHDuring electrolysis of CuSO4, Cu2+ get deposited on cathod as Cu and hydrogen get liberated at anode and solution is rich in H2SO4 electrolyte,hence increase in pH.

Electrolysis of a $C u S O_{4}$ produces:

The correct option is B An increase in $p H$
During electrolysis of $C u S O_{4}$ , $C u^{2 +}$ get deposited on cathod as Cu and hydrogen get liberated at anode and solution is rich in $H_{2} S O_{4}$ electrolyte,hence increase in $p H$ .