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A solution of Cu(II) sulphate is reacted...

A solution of Cu(II) sulphate is reacted with KCl and KI. In which case will the `Cu^(2+)` be reduced to `Cu(+)` ?

A

In both the cases

B

When reacted with KCl

C

When reacted with KI

D

In both the cases but in presence of `H^(+)`

Text Solution

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The correct Answer is:
C
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OP TANDON-ELECTROCHEMISTRY-OBJECTIVE TYPE QUESTION (LEVEL -A)
  1. Which of the following represents the reduction potential of silver wi...

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  2. If the solution of the CuSO(4) in which copper rod is immersed is dilu...

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  3. A solution of Cu(II) sulphate is reacted with KCl and KI. In which cas...

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  4. From the electrochemical series, it can be concluded that :

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  5. The oxidation potential of a hydrogen electrode at pH = 1 is (T = 298 ...

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  6. Which are true for a standard hydrogen electrode ?

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  7. For the half-cell reaction, Au^(3+) + 3e^(-) rarr Au the value of ...

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  8. When a piece of sodium metal is dropped in water, a reaction takes pla...

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  9. Which one is the wrong statement about electrochemical series?

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  10. The reduction potential values are given below AI^(3+)//AI =- 1.67 "...

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  11. From the values given in question No. 63, which one is the oxidising a...

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  12. The standard electrode potentials of four elements A, B, C and D are -...

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  13. Which of the following methods does not liberate hydrogen ?

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  14. A depolarizer used in dry cell is :

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  15. The oxide which can be reduced by hydrogen is :

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  16. The reference calomel electrode is made from which of the following ?

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  17. Given, standard electrode potentials, {:(Fe^(3+)+3e^(-) rarr Fe,,,E^...

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  18. K,Ca and Li metals may be arranged in the decreasing order of their st...

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  19. Which of the following is incorrect in a galvanic cell ?

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  20. In an electrochemical cell, anode and cathode are:

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