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Which of the following methods does not ...

Which of the following methods does not liberate hydrogen ?

A

`Zn+H_(2)SO_(4)` (dil.)

B

`Mg+H_(2)SO_(4)`(dil.)

C

`Cu+H_(2)SO_(4)`(dil.)

D

`Zn+HCl` (dil.)

Text Solution

Verified by Experts

The correct Answer is:
C
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OP TANDON-ELECTROCHEMISTRY-OBJECTIVE TYPE QUESTION (LEVEL -A)
  1. From the values given in question No. 63, which one is the oxidising a...

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

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

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  4. A depolarizer used in dry cell is :

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

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

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

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

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

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

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  11. Is the reaction, 2Al+3Fe^(2+) hArr 2Al^(3+) + 2Fe possible ?

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  12. In an experiment setup for the measurement of EMF of a half cell using...

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  13. A secondary cell is one :

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  14. The reduction potential of a hydrogen electrode at pH 10 at 298K is : ...

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  15. The standard emf of the cell, Ni|Ni^(2+)(1.0M)||Ag^(+)(1.0M)|Ag [E^(@)...

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  16. Consider Delta G^(@) for the following cell reaction : Zn (s) + Ag(2...

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  17. The position of some metals in the electrochemical series in dectreasi...

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  18. A half cell reaction is one that

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  19. Which Nernst equation is true to find out the potential of non-standar...

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  20. During the electrolysis of fused NaCl, which reaction occurs at anode ...

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