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Point out the correct statement....

Point out the correct statement.

A

Zinc acts as cathode and copper as anode.

B

Zinc acts as anode and copper as cathode.

C

The standard reduction potential of zinc is more than that of copper.

D

The flow of electrons is from copper to zinc.

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The correct Answer is:
B
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MODERN PUBLICATION-ELECTROCHEMISTRY -COMPETITION FILE (OBJECTIVE TYPE QUESTIONS) (MULTIPLE CHOICE QUESTIONS )
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  2. The ioisation constant of a weak electroluytes is 25 xx 10^(-6) and th...

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  3. Point out the correct statement.

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  4. The standard reduction potential of Pb and Zn electrodes are -0.12 6 a...

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  5. A zinc electrode is placed in 0.1M solution of ZnSO(4) at 25^(@)C. Ass...

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  6. E(cell)^(@) and Delta G^(@) are related as :

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  7. Which one of the following will increase the voltage of the cell ? (T...

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  8. In the diagram given below, the value of x is

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  9. If the solution of the CuSO(4) in which copper rod is immersed is dilu...

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  10. The standard reduction potential of Cu^(2+)//Cu and Cu^(2+)//Cu^(+) ar...

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  11. Aluminium displaces hydrogen from acids, but copper does not. A galvan...

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  12. Standard electrode potentials are Fe^(2+)//Fe, E^(@) = -0.44 V Fe^...

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  13. The standard reduction potential for two reactions are given below A...

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

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

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  16. If E(Fe^(2+))^(@)//Fe = -0.441 V and E(Fe^(3+))^(@)//Fe^(2+) = 0.771...

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  17. 10800 C of electricity passed through the electrolyte deposited 2.977g...

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  18. A constant current was passed through a solution of AuCl(4)^(c-) ion b...

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  19. An electric current is passed through silver voltameter connected to a...

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  20. Same amount of electric current is passed through solutions of AgNO(3)...

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