During the electrolysis of molten lead bromide, which of the following takes place?

Bromine is released at the cathode.

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Lead is deposited at the anode.

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Bromine ions gain electrons.

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Lead is deposited at the cathode.

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Solution

The correct option is D Lead is deposited at the cathode.
During the electrolysis of molten lead bromide, Lead is deposited at cathode and Bromine is released at anode.
Hence, Option "D" is the correct answer.

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Similar questions

Q. Choose the correct answer:
During the electrolysis of molten lead bromide, which of the following takes place?
(a) Bromine is released at the cathode
(b) Lead is deposited at the anode
(c) Bromine ions gain electrons
(d) Lead is deposited at the cathode

(a) Here is an electrode reaction :

$C u \to C u^{2 +} + 2 e^{-}$ . At which electrode (anode or cathode) would such a reaction take place? Is this an example of oxidation or reduction ?

(b) A solution contains magnesium ions $(M g^{2 +})$ , iron (II) ions $F e^{2 +}$ and copper ions $C u^{2 +}$ . On passing an electric current through this solution, which ions will be the first to be discharged at the cathode? Write the equation for the cathode reaction.