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The quantity of electricity needed to de...

The quantity of electricity needed to deposit 127.08 g of copper is :

A

1 faraday

B

4 coulomb

C

4 faraday

D

1 ampere

Text Solution

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The correct Answer is:
C
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OP TANDON-ELECTROCHEMISTRY-OBJECTIVE TYPE QUESTION (LEVEL -A)
  1. What is the amount of chlorine evoled when 2 amperes of current is pas...

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  2. When 9.65 coulomb of electricity is passed through a solution of silve...

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  3. The quantity of electricity needed to deposit 127.08 g of copper is :

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  4. The change required to deposite 9 g of Al from Al^(3+) solution is (at...

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  5. The standard reduction for the following reactions are : Fe^(3+) + 3...

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  6. For the reduction of silver ions with copper metal, the standard cell ...

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  7. In electrolysis of NaCl when Pt electrode is taken H(2) is liberated a...

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  8. A current is passed through 2 voltmeters connected in series. The firs...

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  9. Which reaction is possible at anode?

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  10. When the sample of copper with the zinc impurity is to be purified by ...

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  11. Conductivity (Unit Siemen's 'S') is directly proportional to area of t...

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  12. Zn+Cu^(2+)(aq)hArrCu+Zn^(2+)(aq). Reaction quotient is Q=([Zn^(2+)])...

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  13. In which of the following cells with the emf be independent of the act...

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  14. Standard electrode potential data are useful for understanding the sui...

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  15. The standard reduction potential E^(@), for the half reaction are : ...

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  16. In a galvanic cell, the electrons flow from :

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  17. The standard emf of a galvanic cell involving cell reaction with n = 2...

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  18. The emf of the cell, Zn|Zn^(2+) (0.01 M)||Fe^(2+) (0.001 M)|Fe at 29...

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  19. Consider the following E^o values : E^o Fe^(3+)//FE^(2+)o = + 0.77 ...

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  20. The highest electrical conductivity of the following aqueous solutions...

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