EASY
Earn 100

Why do ionic compounds not conduct electricity in solid state but conduct electricity in molten and active state?

Important Questions on Movement

MEDIUM
The electrolysis of acidified water is an example of: 
MEDIUM
In thermite welding, aluminium acts as a _____ agent.
HARD
In the electrolysis of CuCl2 solution (aqueous) with Cu electrodes, the weight of cathode increased by 3.2 g. In the anode,
EASY
The cations on reaching _____ gain electrons and form neutral atoms which get deposited on the cathode.
MEDIUM
Which of the following processes is used in the extraction metallurgy of Mg?
EASY
The electrolysis of molten sodium hydride liberates hydrogen gas at the _____.
HARD
A dilute aqueous solution of Na2SO4 is electrolysed using platinum electrodes. The products at the anode and cathode are:
EASY
In the electrolysis of potassium iodide, iodine is formed at the _____.
MEDIUM
Electrolysis of molten lead bromide is considered as a _____ reaction. (oxidation/ redox)
MEDIUM
What will happen during the electrolysis of an aqueous solution of CuSO4 by using platinum electrodes?
EASY
During electrolysis, the positive ions move towards the
MEDIUM
Electrolysis of a solution of sodium chloride produces
MEDIUM
The article which is to be electroplated is always placed at the _____.
MEDIUM
A constant current of 1.50 amp is passed through an electrolytic cell containing 0.10 N solution of AgNO3 and a silver anode and a platinum cathode are used. After some time, the concentration of the AgNO3 solution may be
MEDIUM
Addition of cryolite in the molten state of subdivision to fused alumina during electrolytic reduction enhances _____ of the electrolytic mixture.
MEDIUM
In the process of electrolysis of NaCl, the gas released at anode is
EASY
The movement of ions towards oppositely charged electrode is called _____.(electrolysis/electrophoresis)
EASY
_____ of water is the cheapest method to obtain hydrogen gas.
EASY
The electrolyte and the electrodes used in electrolysis form an _____.
EASY
In electrolysis process anion undergoes _____.