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Assertion :In mercury cell, the electrol...

Assertion :In mercury cell, the electrolyte is a paste of KOH and ZnO.
Reason: `Cu^(2+)` ions get reduced more easily than H+ ions.

A

If both (A) and (R) are correct and (R) is the correct explanation of (A).

B

If both (A) and (R) are correct, but (R) is not the correct explanation of (A).

C

If both (A) and (R) are correct, but (R) is not the correct explanation of (A).

D

If both (A) and (R) are incorrect.

Text Solution

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The correct Answer is:
A
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BRILLIANT PUBLICATION-ELECTROCHEMISTRY-LEVEL-II
  1. Assertion : 1 Faraday of electricity deposits 1 g equivalent of Ag,Cu ...

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  2. Assertion : Equivalent conductance increase with dilution for an elect...

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  3. Assertion : At the end of electrolysis using Pt electrodes, an aqueous...

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  4. Assertion :wedge(eq)^(@)(CH(3)COOH) cannot be determined experimentall...

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  5. Assertion: Specific conductance decreases with dilution whereas equiva...

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  6. Resistance of 0.1 MKCI solution in a conductivity cell is 300 ohm and ...

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  7. Assertion : Sodium ions are discharged in preference to hydrogen ions ...

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  8. Assertion: An electrochemical cell can be set up only if the redox rea...

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  9. Assertion : If lambda(Na)A^(@) + lambda(CI^(-))^(@) are molar limiti...

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  10. Assertion : One coulomb of electric charge deposits weight equal to th...

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  11. Assertion : (Ni)|(Ni^(2+))(1.0M)|| Au^(3+)(l.0M)|Au for this cell emf ...

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  12. Assertion : Emf andpotential difference are not same for cell. Reason:...

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  13. Assertion : Kohlrausch's law helps to find the molar conductivity of a...

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  14. Assertion :In mercury cell, the electrolyte is a paste of KOH and ZnO....

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  15. Assertion : Molar conductivity increases with decrease in concentratio...

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  16. Assertion :A standard hydrogen electrode is also called reversible ele...

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  17. Assertion: In electrolysis, the quantity of electricity needed for dep...

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  18. Assertion : If an aqueous solution of NaCl is electrolysed, the produc...

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  19. Assertion: The ratio of specific conductivity to the observed conducta...

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  20. Assertion: According to Kohlrausch's law, the molar conductance of a s...

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