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What will occur if a block of copper met...

What will occur if a block of copper metal is dropped into a beaker containing a solution of `1M ZnSO_(4)`?

A

The copper metal will dissolve with evolution of oxygen gas

B

The copper metal will dissolve with evolution of hydrogen gas

C

No reaction will occur

D

The copper metal will dissolve and zinc metal will be deposited

Text Solution

Verified by Experts

The correct Answer is:
C
No reaction will occur as the Zn is placed above Cu in electrochemical series . Hence there will be no displacement reaction .
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DISHA PUBLICATION-ELECTROCHEMISTRY -Exercise
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  2. Given E(Cl(2)//Cl^(-))^(@)=1.36V,E(Cr^(3+)//Cr)^(@)=-0.74V E("Cr(2)O...

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  3. What will occur if a block of copper metal is dropped into a beaker co...

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  4. Identify the correct statement

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  5. Galvanization is applying a coating of:

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  6. A variable, opposite external potential(E(ext) is applied to the ce...

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  7. At 298 K, the standard reduction potentials are 1.51 V for MnO(4)^(-) ...

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  8. Two faraday of electricity is passed through a solution of CuSO(4). Th...

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  9. The standard electrode potentials (E(M^(+)//M)^(@)) of four metals A, ...

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  10. A currrent of 5.0 A flows for 4.0 h through an electrlytic cell contai...

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  11. Standard electrode potential data is given below : Fe^(3+) (aq) + e ...

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  12. Resistance of 0.2 M solution of an electrolyte is 50Omega . The specif...

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  13. The equivalent conductance of NaCl at concentration of C and at infini...

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  14. Given below are the half -cell reactions Mn^(2+)+2e^(-) to Mn, E^(@)...

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  15. The function of a salt bridge is to:

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  16. Standard electrode potential of SHE at 298 K is :

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  17. The satandard EMF of quinhydrone is 0.699V. The EMF of the quinhydrone...

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  18. If e(Fe^(2+) //Fe)^@ =- 0. 44 1V. And E(Fe^(3+)//Fe^(2+))^(o) = 0. 771...

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  19. In the electrolytic cell, flow of electrons is form :

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

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