The electrolysis of aqueous solution of $C u {B r}_{2}$ using platinum electrode would leads to:

{B r}_{2}

gas at anode

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{B r}_{2}

gas at anode and

O_{2}

gas at cathode

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copper(s) at cathode

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H_{2}

gas at cathode

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Solution

The correct options are
A ${B r}_{2}$ gas at anode
B copper(s) at cathode
$C u B r_{2} ⟶ C u^{2 +} + 2 B r^{-}$
At anode: $2 B r^{-} ⟶ B r_{2} + 2 e^{-}$
At cathode: $C u^{2 +} + 2 e^{-} ⟶ C u$

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The electrolysis of aqueous solution of CuBr2 using platinum electrode would leads to:

The correct options are A Br2 gas at anode B copper(s) at cathodeCuBr2⟶Cu2++2Br−At anode: 2Br−⟶Br2+2e−At cathode: Cu2++2e−⟶Cu

The electrolysis of aqueous solution of $C u {B r}_{2}$ using platinum electrode would leads to:

The correct options are
A ${B r}_{2}$ gas at anode
B copper(s) at cathode
$C u B r_{2} ⟶ C u^{2 +} + 2 B r^{-}$
At anode: $2 B r^{-} ⟶ B r_{2} + 2 e^{-}$
At cathode: $C u^{2 +} + 2 e^{-} ⟶ C u$