In the electrolysis of copper(II) chloride solution, the mass of cathode is increased by 3 .15 g. At copper anode, we will have

A
the liberation of 1120 mL of ${Cl}_{2}$ at STP
B
the liberation of 560 mL of $O_{2}$ at STP
C
the loss of 3.15 g of $Cu$
D
the gain of 3.15 g of $Cu$

Solution:

Since anode is copper, the reaction occurring here is $Cu \to {Cu}^{2 +} + 2 e^{-}$

Thus, there will occur a loss of Cu at anode which will also equal to 3 .15 g.

In the electrolysis of copper(II) chloride solution, the mass of cathode is increased by $3.15 g$ . At copper anode, we will have the loss of 3.15 g of $Cu$

In the electrolysis of copper(II) chloride solution, the mass of cathode is increased by $3 . 15 g$ . At copper anode, we will have

Solution:

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