Chemistry
For the electro-refining of copper —
(i) State what the cathode is made up of.
(ii) Write the reaction that takes place at the anode.
Related Questions
Fill in the blank with the correct choice given in the bracket - Electrolysis of aqueous sodium chloride solution will form …………… at the cathode. [hydrogen gas / sodium metal]
Copy and complete the following table which refers to the conversion of ions to neutral particles.
Conversion Ionic equation Oxidation/Reduction Chloride ion to chlorine molecule Lead [II] ion to lead Choose the correct answer from the options A, B, C, D given. An electrolyte which completely dissociates into ions is
- Alcohol
- Carbonic acid
- Sucrose
- Sodium hydroxide
State one observation for the following : Copper sulphate solution is electrolysed using copper electrodes.