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Question
Powdered sodium chloride (common salt) does not conduct an electric current, but it does so when ______ or when ______.
Solution
Powdered sodium chloride (common salt) does not conduct an electric current, but it does so when dissolved in water or when melted.
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RELATED QUESTIONS
State the electrode reaction at the anode during electrolysis of:
sodium chloride solution.
Complete the sentence by choosing correct word given in bracket.
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(electricity / electrons)
Name : A positively charged not metallic ion
Name : A non-metallic element which is a conductor of electricity.
Give one example of a substance which contain :
Ions only
Copy and complete the following table which refers to two practical applications of electrolysis.
| Anode | Electrolyte | Cathode | |
| Silver plating of a spoon | Solution of potassium argentocyanide | ||
| Purification of copper |
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At the cathode when acidified aqueous copper sulphate solution is electrolyzed with copper electrodes.
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Y - \[\ce{PbBr2 <=> Pb^{2+} + 2Br^{1-}}\] (in molten state)
From the above reaction X or Y, identify the reaction which exhibit:
ionization
