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In Cu - Zn cell...

In Cu - Zn cell

A

Reduction occurs at the copper cathode

B

Oxidation occurs at the copper cathode

C

Reduction occurs at the anode

D

Chemical energy is converted to light energy

Text Solution

Verified by Experts

The correct Answer is:
A
In Cu-Zu cell copper acts a cathode . So, reduction takes place at copper cathode.
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AAKASH SERIES-REDOX REACTIONS-ADDITIONAL PRACTICE EXERCISE (LEVEL - I (MAIN)) (Straight Objective Type Questions)
  1. Which one of the halogn is prepared by only electrolysis method

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  2. Which of the following statement is correct for a galvanic cell?

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  3. In Cu - Zn cell

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  4. In a electrochemical cell

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  5. The electrode potential of an electrode is

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  6. Daniel cell is shown as

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  7. Which of the following metals will not react with solution of CuSO4 ?

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  8. Equal quantities of zinc are separately treated with caustic soda solu...

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  9. The oxidation number of ..V.. in Rb(4) Na[HV(10)O(28)] is

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  10. A solution of 0.1M KMnO4 is used for the reaction S(2)O(3)^(-2) + 2 M...

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  11. 0.5 g mixture of oxalic acid (H(2)C(2)O4) and some sodium oxalate (Na...

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  12. A solution contains mixture of H(2)SO(4), H(2)C(2)O4 20 ml of this so...

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  13. 100 ml of 0.1M aqueous ferric alum solution is completely reduced with...

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  14. What volume of 0.2 M Ba( MnO(4))2 solution is required for complete o...

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  15. A 1.0g sample of pyrolusite ore containing MnO2 (MW = 87) was dissolv...

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  16. An equimolar mixture of ferrous oxalate & stannous chloride is treated...

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  17. A 0.518 g sample of lime stone is dissolved in HCl and then the calciu...

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  18. A bottle of H2 O2 is labelled as 10 vol H2O2 112ml of this H2O2 solut...

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  19. 10mL of a solution of H2 O2 of 10 volume strength decolourises 100mL ...

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  20. A 5.0 mL solution of H2O2 libearates 0.508g of iodine from an acidifi...

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