Choose and give the correct answer from the following: platinum, ${PbBr}_{2}$ , ${Cl}_{2}$ , $O_{2}$ , cathode, anode.
An electrolyte which conducts electricity only in molten state.

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Solution

An Electrolyte either in aqueous or molten form conducts electricity due to the presence of charged particles in it.
${PbBr}_{2}$ is an electrolyte that conducts electricity only in a molten state as in this state it decomposes in to ${Pb}^{2 +} and {Br}^{-}$ ions. Thus, molten ${PbBr}_{2}$ consists of positively charged and negatively charged ions which are able to conduct electricity.

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Choose and give the correct answer from the following: platinum, PbBr2​, Cl2, O2​, cathode, anode.An electrolyte which conducts electricity only in molten state.

Choose and give the correct answer from the following: platinum, ${PbBr}_{2}$ , ${Cl}_{2}$ , $O_{2}$ , cathode, anode.
An electrolyte which conducts electricity only in molten state.