MEDIUM
10th ICSE
IMPORTANT
Earn 100

Write two applications of electrolysis in which the anode diminishes in mass.

Important Questions on Electrolysis

EASY
10th ICSE
IMPORTANT
What kind of particles will be found in a liquid compound which is a non-electrolyte?
EASY
10th ICSE
IMPORTANT
If HX is a weak acid, what particles will be present in its dilute solution apart from those of water ?
EASY
10th ICSE
IMPORTANT
What ions must be present in a solution used for electroplating a particular metal ?
MEDIUM
10th ICSE
IMPORTANT
A strip of copper is placed in four different colourless salt solutions. They are KNO3, AgNO3, ZnNO32, CaNO32. Which one of the solutions will finally turn blue ?
MEDIUM
10th ICSE
IMPORTANT

Here is an electrode reaction:

CuCu+2+2e-

At which electrode (anode or cathode) would such a reaction take place? Is this an example of oxidation or reduction ?

HARD
10th ICSE
IMPORTANT
A solution contains magnesium ions (Mg2+), iron (II) ions (Fe2+) and copper ions (Cu2+). On passing an electric current through this solution, which ions will be the first to be discharged at the cathode? Write the equation for the cathode reaction .
EASY
10th ICSE
IMPORTANT
Why is carbon tetrachloride, which is a liquid, a nonelectrolyte ?
MEDIUM
10th ICSE
IMPORTANT
During the electrolysis of molten lead bromide, which of the following takes place?