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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.) rarr CuSO_(4)(aq.) + Zn(s)`

B

`Zn(s)+CuSO_(4)(aq.) rarr Cu(s)+ZnSO_(4)(aq.)`

C

`Ni(s)+ZnSO_(4)(aq.) rarr NiSO_(4)(aq.)+Zn(s)`

D

`2Na(s)+CdSO_(4)(aq.) rarr Na_(2)SO_(4)(aq.)+Cd(s)`

Text Solution

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The correct Answer is:
B
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OP TANDON-ELECTROCHEMISTRY-OBJECTIVE TYPE QUESTION (LEVEL -A)
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  2. The half-cell reaction for the corrosion, {:(2H^(+)+,(1)/(2)O(2)+2e^(-...

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

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  4. What are the units of equivalent conductivity of a solution ?

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  5. The reduction potential values of M, N and O are +2.46 V, -1.13 V, -3....

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  6. The molar conductivities Lambda(NaOAc)^@ and Lambda(HCI)^@ at infinite...

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  7. The equivalent conductances at infinite dilution of HCl and NaCl are 4...

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  8. The tendencies of the electrodes made up of Cu, Zn and Ag to release e...

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  9. The electrode reactions that takes place at the anode of CH(4)-O(2) fu...

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  10. The cell , Zn | Zn^(2+) (1M) || Cu^(2+) (1M) Cu (E("cell")^@ = 1. 10 V...

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  11. The production potential of hydrogen half-cell will be negative if:

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  12. An electric current of 1 amp is passed through acidulated water for 16...

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  13. The equivalent conductance of solution is …… . [If cell constant is ...

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  14. For strong electrolytes, the plot or molar conductance versus sqrt(C) ...

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  15. How long (in hours) must a current of 5 ampere be maintained to electr...

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  16. Emf of hydrogen electrode in tern of pH is (at 1 atm pressure):

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  17. Zinc is coated over ion iron to prevent rusting of iron because :

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  18. On the basis of the following E^(@) values, the stongest oxidizing age...

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  19. Given E(Cr^(3+)//cr)^@ =- 0.72 V, E(Fe^(2+)//Fe)^@ =- 0.42 V. The pote...

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  20. Electrolysis of dilute aqueous NaCl solution was carried out by passin...

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