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प्रश्न
Identify the following reactions as either oxidation or reduction : Fe+3 + e- → Fe+2
उत्तर
Reduction
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संबंधित प्रश्न
What is the difference between:
Electrolytic dissociation and ionisation.
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.
Name : A salt which is a weak electrolyte.
Choose the correct answer from the option given below:
Which among the following anions will discharge with ease at anode?
Copy and complete the following sentence :
With platinum electrodes, hydrogen is liberated at the ______and oxygen at the _________ during the electrolysis of acidified water.
Copy and complete the following table which refers to two practical applications of electrolysis.
| Anode | Electrolyte | Cathode | |
| Silver plating of a spoon | Solution of potassium argentocyanide | ||
| Purification of copper |
Name the gas released at the cathode when acidulated water is electrolyzed.
Identify the following reactions as either oxidation or reduction : K - e- → K+
Give reason for the following:
Potassium is not extracted by electrolysis of its aqueous salt solution.
