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प्रश्न
Differentiate between the terms strong electrolyte and weak electrolyte (stating any two differences)
उत्तर
| Strong Electrolytes | Weak Electrolytes |
| Electrolytes which allow a large amount of electricity to flow through them. | Electrolytes which allow small amounts of electricity to flow through them. |
| These are good conductors of electricity. | These are poor conductors of electricity. |
| These almost completely dissociate in the fused or aqueous solution state. | These are partially dissociated in the fused or aqueous solution state. |
| These solutions contain only free mobile ions. | These solutions contain ions as well as molecules. |
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संबंधित प्रश्न
Give reason for the following:
Aluminium is extracted from its oxide by electrolytic reduction and not by convectional reducing agents.
(a) Copy and complete the following table, which refers to two practical applications of electrolysis.
| Anode | Electrolyte | Cathode | |
| (i) Silver plating of a spoon | A solution of potassium argentocyanide | ||
| (ii) Purification of copper | |||
| (iii) Extraction of sodium |
(b) Write the equation taking place at the anode for Q. (a).
Complete the sentence by choosing correct word given in bracket.
Electrolysis is the passage of ___________________
(electricity / electrons)
Complete the sentence by choosing correct word given in bracket.
through a liquid or a solution accompanied by a ___________ (Physical / chemical) change.
Fill in the blank :
The ions which discharge on the positive electrode during electrolysis ____________electrons. Thus, the ions are said to be _____________.
Fill in the blank :
Hydrogen and metallic ions are ____________ because they ____________ electrons.
Fill in the blank :
Non-metallic ions are _____________ because they _____________ electrons.
Choose the correct answer from the option given below:
Which among the following cations will discharge with ease at cathode?
Choose the correct answer from the option given below:
Electrolysis of acidulated water is used in the production of
Write the equations of the reactions which take place at the cathode and anode when acidified water is electrolyzed.
