Class 10 · ICSE · Chemistry

Electrolysis

Electrolytes and non-electrolytes, the electrochemical series, electrolysis of molten and aqueous compounds, and electroplating.

Questions: 12
PYQs: 0
Topics: 2

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Electrolytes and the Electrochemical Series1 Electroplating1

Questions

12 questions in this chapter.

Answer available
Class 10 · Chemistry · Electrolysis
Why is copper refined electrolytically rather than chemically?
2 marksMediumShort answer
Answer available
Class 10 · Chemistry · Electrolysis
Describe the electroplating of an article with silver, naming the electrodes and the electrolyte.
3 marksMediumStructured
Answer available
Class 10 · Chemistry · Electrolysis
Define an electrolyte and a non-electrolyte, giving one example of each.
2 marksEasyShort answer
Answer available
Class 10 · Chemistry · Electrolysis
Write the reactions at the cathode and at the anode during the electrolysis of molten lead bromide, and name the products.
3 marksMediumStructured
Answer available
Class 10 · Chemistry · Electrolysis
During the electrolysis of molten lead bromide, the product at the anode is:
1 markMediumMCQ
Answer available
Class 10 · Chemistry · Electrolysis
During the electrolysis of aqueous copper sulphate using copper electrodes, state what happens at each electrode and why the colour of the solution does not change.
3 marksMediumStructured
Answer available
Class 10 · Chemistry · Electrolysis
In an electrolytic cell, reduction takes place at the:
1 markEasyMCQ
Answer available
Class 10 · Chemistry · Electrolysis
Why is the electrolysis of acidified water carried out rather than pure water?
3 marksMediumApplication based
Answer available
Class 10 · Chemistry · Electrolysis
Name the products at each electrode during the electrolysis of acidified water with platinum electrodes.
2 marksMediumShort answer
Answer available
Class 10 · Chemistry · Electrolysis
What is meant by the electrochemical series, and how does it decide which ion is discharged at the cathode?
3 marksMediumShort answer
Answer available
Class 10 · Chemistry · Electrolysis
During the electrolysis of molten lead bromide, the product obtained at the cathode is:
1 markEasyMCQ
Answer available
Class 10 · Chemistry · Electrolysis
State two conditions necessary for the electroplating of an article with silver.
2 marksEasyShort answer