Electrolysis (10)

Electrolytes and non-electrolytes; Substances containing molecules only, ions only, both molecules and ions.

Definition and explanation of electrolysis, electrolyte, electrode, anode, cathode, anion, cation, oxidation and reduction

Applications of electrolysis

The particles present in strong electrolytes are
A chloride which forms a precipitate
Cation that does not form a precipitate with ammonium hydroxide
The electrolyte used for electroplating an article with silver
The particles present in a liquid such as kerosene, that is a non-electrolyte
State the observations at the anode and at the cathode during the electrolysis of
Select the ion in each case, that would get selectively discharged
The process of coating of iron with zinc
The divalent metal whose oxide is reduced to metal by electrolysis
Metals are good __________ (oxidizing agents / reducing agents)
__________ (AgCl / PbCl2), a white precipitate is soluble in excess NH4OH
Sodium Chloride will conduct electricity only in fused or aqueous solution state
In the electroplating of an article with silver
Although copper is a good conductor of electricity
Write the equation for the reaction that occurs at the cathode
Write equations for the reactions taking place at the two electrodes (mentioning clearly the name of the electrode)
Name the product formed at the anode during the electrolysis of acidified
Explain why it is preferable to use a number of graphite electrodes
State what would you observe when
An electrolyte which completely dissociates into ions is
Copper sulphate solution is electrolysed using copper electrodes
Arrange in increasing order of the reactivity: K, Pb, Ca, Zn
Arrange in order of preferential discharge at cathode: Mg2+, Cu2+, Na1+, H1+
Name the particles present in: Strong electrolyte
Name the particles present in: Non-electrolyte
Name the particles present in: Weak electrolyte
The inert electrode used in the electrolysis of acidified water is
Graphite anode is preferred to platinum in the electrolysis of molten lead bromide
Electrode used as cathode in electrorefining of impure copper
The electrolysis of acidified water is an example of
The energy released when an electron is added to a neutral gaseous isolated atom to form a negatively charged ion
Choose the correct word which refers to the process of electrolysis from A to E
Differentiate between based on the information given in the brackets
An aqueous solution of nickel (II) sulphate was electrolyzed
At the anode, when molten lead bromide is electrolyzed using graphite electrodes
Name the gas that is produced in - At the anode during the electrolysis of acidified water
Electrolysis of aqueous sodium chloride solution will form ___ at the cathode. (hydrogen gas / sodium metal)