Advertisements
Advertisements
प्रश्न
Define the term : Electrolysis
उत्तर
Electrolysis :
It is the process of decomposition of the electrolyte in the molten or aqueous state by discharge of ions at the elctrodes on passage of an electric current.
APPEARS IN
संबंधित प्रश्न
State the electrode reaction at the anode during electrolysis of:
sodium chloride solution.
Complete the sentence by choosing correct word given in bracket.
through a liquid or a solution accompanied by a ___________ (Physical / chemical) change.
Write down the changes that will be seen in each instance and explain the reason behind them.
Dilute H2SO4 was taken in an electrolytic cell and an electric current was passed through it.
Fill in the black.
The metal plate through which ____________ leaves from an electrolyte is called ____________ .It has ______________ of electrons.
Fill in the blank.
The ions which discharge on the negative electrode during electrolysis _____________ electrons, Thus the ions are said to be __________.
Fill in the blank :
Non-metallic ions are _____________ because they _____________ electrons.
How electrolysis can be used in extraction of aluminium? Why aluminium cannot be reduced by conventional reducing agents?
Choose the correct answer from the option given below:
Which among the following anions will discharge with ease at anode?
Write the equations of the reactions which take place at the cathode and anode when acidified water is electrolyzed.
108 g of silver (molar mass 108 g mol-1) is deposited at cathode from AgNO3 (aq) solution by a certain quantity of electricity. The volume (in L) of oxygen gas produced at 273 K and 1 bar pressure from water by the same quantity of electricity is ______.
