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What is the cell reaction occurring in D...

What is the cell reaction occurring in Daneill cell (galvanic cell) ?

A

`Cu_((s))+ZnSO_(4(aq))toCuSO_(4(aq))+Zn_((s))`

B

`Zn_((s))+CuSO_(4(aq))toCu_((s))+ZnSO_(4(aq))`

C

`Ni_((s))+ZnSO_(4(aq))toNiSO_(4(aq))+Zn_((s))`

D

`2Na_((s))+CdSO_(4(aq))toNa_(2)SO_(4(aq))+Cd_((s))`

Text Solution

Verified by Experts

The correct Answer is:
B
In Daniel cell (copper/zinc galvanic cell), the spontaneous chemical reaction between zinc metal and aqueous copper (II) sulphate is conducted so as to obtain the available chemical energy released in the form of electrical energy.
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ERRORLESS -ELECTROCHEMISTRY-Ordinary Thinking Objective Questions (Cell constant and Electrochemical cells)
  1. At 25^@ C specific conductivity of a normal solution of KCI is 0. 00...

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  2. The tendency of an electrode to lose electrons is known as

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  3. What is the cell reaction occurring in Daneill cell (galvanic cell) ?

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  4. Anode reaction of a fuel cell is:-

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  5. The cell reaction Zn+Cu^(2+)rarrZn^(2+)+Cu, is best represented by-

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  6. A conductivity cell has been calibrated with a 0.01 M 1:1 electrolyte ...

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  7. Which coloruless gas evolves when NH(4)CI reacts with zinc in a dr...

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  8. lambda(ClCH(2)COONa)=224 "ohm"^(-1) cm^(2) " gm eq"^(-1), lambda(Na...

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  9. Which of the following statement about galvanic cell is incorrect

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  10. When electric current is passed through an ionic hydride in molten sta...

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  11. In electrolytic cell, cathode acts as an/a

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  12. Which of the following is concentration cell

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  13. Which of the following reaction occurs at the cathode of a common dry ...

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  14. Which one is not called a anode reaction from the following?

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  15. The electrodes of a conductivities cell are 3 cm apart and have a cro...

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  16. Cell reaction during discharging of lead storage battery at cathode is...

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  17. A depolarizer used in dry cell is :

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

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  19. The emf of a Daniell cell at 298 K is E(1) Zn|ZnSO(4)(0.01 M)||CuSO(...

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  20. Assertion (A): For a Daniell cell : Zn|Zn^(2+)||Cu^(2+)|Cu with E(ce...

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