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Select the correct answer from the list given in brackets :
The metallic electrode which does not take part in an electrolytic reaction. (Cu, Ag, Pt, Ni).

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The metallic electrode which does not take part in an electrolytic reaction ? (Inert electrode)

Select the correct answer from the list in bracket : The cation discharged at the cathode most readily.

Select the correct answer from the list in bracket : The anion discharged at the anode with most difficulty.

Select the correct answer from the list given in brackets : The ion which is discharged at the anode during the electrolysis of copper sulphate solutions using copper electrodes as anode and cathode. [Cu^(2+) , OH^(-) SO_(4)^(2-) , H^(+)]

Select the correct answer from the list given in brackets : When dilute sodium chloride is electrolysed using graphite electrodes, the cation is discharged at the cathode most readily. [Na^(+) , OH^(-) , H^(+) , Cl^(-)] .

Select the correct answer from the list given in brackets : During silver plating of an article using potassium argentocyanide as an electrolyte, the anode material should be (Cu, Ag, Pt, Fe).

Select the correct answer from the list given in brackets : An aqueous electrolyte consists of the ions mentioned in the list, the ion which could be discharged most readily during electrolysis. [Fe^(2+) , Cu^(2+), Pb^(2+) , H^(+)]

Select the correct answer from the choice given in brackets : The functional group of the product formed - on hydrolysis of bromoethane with aqueous caustic potash. [alcohol, carboxylic, hydroxyl, aldehydic]

Electrodes that do not take part in electrolytic, reactions are known as .......... electrodes.

Select the correct word from the words in bracket A metal which reacts with an alkali to liberate hydrogen. [iron/copper / aluminium]

ICSE-ELECTROLYSIS-QUESTIONS FROM PREVIOUS ICSE BOARD PAPERS
  1. Give reasons for the following: An aqueous solution of sodium chloride...

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  2. Select the correct answer from the list given in brackets : An aque...

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  3. Select the correct answer from the list given in brackets : The me...

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  4. Select the correct answer from the list given in brackets : The io...

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  5. Select the correct answer from the list given in brackets : When di...

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  6. Select the correct answer from the list given in brackets : During ...

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  7. State one appropriate observation for each of the following: Electrici...

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  8. Which of these will act as a non-electrolyte?

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  9. Copper sulphate solution is electrolysed using copper electrodes. Stud...

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  10. Copper sulphate solution is electrolysed using copper electrodes. Stud...

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  11. Copper sulphate solution is electrolysed using copper electrodes. Stud...

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  12. When fused lead bromide is electrolysed we observe: [A]a silver grey d...

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  13. The electrolyte used for electroplating an article with silver is :

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  14. Give one word or phrase for the following: Formation of ions from m...

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  15. Give one word or phrase for the following: Electrolytic deposition ...

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  16. State your observation in each of the following cases: At the cathode ...

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  17. Which electrode : anode or cathode is the oxidising electrode ? Why?

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  18. State one relevant observation for each of the following: At the Anode...

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  19. Give appropriate scientific reasons for the following statements : ...

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  20. Give appropriate scientific reasons for the following statements : ...

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