Electrolysis

IMPORTANT

Electrolysis: Overview

This topic covers concepts such as electrolytes, anode, electrolysis, strong electrolytes, and electrolysis of water.

Important Questions on Electrolysis

EASY
IMPORTANT

Strong electrolyte dissociate partially in aqueous solution.

EASY
IMPORTANT

Define the term strong electrolyte.

MEDIUM
IMPORTANT

Explain what is an electrolyte.

MEDIUM
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Select whether the following statement is true or false:

Electrolysis of pure water is not possible. But the electrolysis of water takes place on mixing a small amount of salt or a strong acid/base.

EASY
IMPORTANT

Select whether the following statement is true or false:

Pure water is a good conductor of electricity.

HARD
IMPORTANT

Explain why pure water is a bad conductor of electricity.

MEDIUM
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Are only metals used for the manufacturing of electrodes? And why?

MEDIUM
IMPORTANT

Anode in the galvanic cell is:

HARD
IMPORTANT

During the electrolysis of water, a gas is released which burns with a pop-up sound. The gas is ______.

MEDIUM
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The method of using electricity to split molecules is called

MEDIUM
IMPORTANT

Name the electrode at which reduction occurs

HARD
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Give some examples of metals which can be extracted electrochemically?

HARD
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How many coulombs are required for the oxidation of one mole of H2O to O2?

MEDIUM
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A cation has _____ charge.

EASY
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The type of ion that moves towards the cathode.

EASY
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The electrode of an electrolytic cell that is connected to the negative terminal of the battery

EASY
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What type of chemical reactions takes place when electricity is passed through water? (Precipitation / Decomposition)

EASY
IMPORTANT

During electrolysis, the positive ions move towards the

MEDIUM
IMPORTANT

Electrolysis of aqueous CuSO4 with inert electrodes gives 

EASY
IMPORTANT

The product of electrolysis of aqueous NaCl solution on anode and cathode respectively is