MEDIUM
10th West Bengal Board
IMPORTANT
Earn 100
Write down the cathode reaction when an aqueous solution of (=metal) is electrolysed. Write with reason whether the reaction is oxidation or reduction.
Important Questions on Electrolysis and Chemical Reaction
HARD
10th West Bengal Board
IMPORTANT
What is placed as a cathode to electroplate silver over a copper spoon?
MEDIUM
10th West Bengal Board
IMPORTANT
Write the balanced chemical equation of what happens when gas is passed through an aqueous copper sulphate solution.
MEDIUM
10th West Bengal Board
IMPORTANT
Write down the cathode reaction when an aqueous solution of (=metal) is electrolysed. Write with reason whether the reaction is oxidation or reduction.
EASY
10th West Bengal Board
IMPORTANT
Write down the cathode reaction in the electrolysis of acidulated water using platinum electrodes.
EASY
10th West Bengal Board
IMPORTANT
In electroplating gold on brass, what is the electrolyte used?
MEDIUM
10th West Bengal Board
IMPORTANT
Name a metal that is extracted by the process of electrolysis.
EASY
10th West Bengal Board
IMPORTANT
On what basis electrolytes have been classified as strong and weak electrolytes? Give example of a strong electrolyte.
MEDIUM
10th West Bengal Board
IMPORTANT
Liquid hydrogen chloride cannot conduct electricity, but molten sodium chloride can conduct electricity- Explain.
