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The following are some statements about ...

The following are some statements about normal hydrogen electrode
a) when a 'Zn' electrode is in combination of NHE, Zn electrode acts as cathode
b) when a ‘Cu' electrode is in combination with NHE, Cu electrode is the anode
c) when a ‘Ag' electrode is in combination with NHE, Ag electrode is the anode
d) when a chlorine electrode is in combination with NHE, chlorine electrode is the anode

A

only (a) is correct

B

all are correct

C

all are incorrect

D

both (b) & (c) correct

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-ELECTROCHEMISTRY -LEVEL-I ( EXERCISE-I)
  1. A standard hydrogen electrode has zero electrode potential because

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  2. The following statements about electro chemical series are i) the ...

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  3. The following are some statements about normal hydrogen electrode ...

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  4. Which defines the standard reduction electrode potential of Zn^(2+) io...

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  5. (A) : Lithium has less electrode potential than caesium (R) : Hydr...

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  6. The reference electrode is made by using

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  7. The more electro positive element has

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  8. The correct match is

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  9. A smuggler could not carry gold by depositing iron on the gold surface...

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  10. Standard reduction electrode potential of three metals A, B and C are ...

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  11. The difference of potential of two electrodes in a galvanic cell is kn...

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  12. Zn gives H2 gas with H2SO4 and HCl but not with HNO3 because

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  13. When Zn piece is kept in CuSO4 solution, copper gets precipitated beca...

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  14. For I2 + 2e to 2I^(-) , standard reduction potential = + 0.54 volt. Fo...

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  15. Beryllium is placed above magnesium in the Il group. When beryllium du...

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  16. E^(@) for Fe^(2+) + 2e to Fe is -0.44 V , E^(@) for Zn^(2+) + 2e to ...

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  17. Based on the data given below , the correct order of reducing power i...

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  18. For the cell prepared from electrod A , Cr2O7^(2-) |Cr^(3+) , E("red"...

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  19. The S.R.Ps of Cu^(2+) // Cu , Hg^(2+)//Hg and Zn^(2+)//Zn are respecti...

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  20. The E(M^(3+)|M^(2+))^(0) values for Cr, Mn, Fe and Co are -0.41, +1.57...

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