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Which of the following are correct in ac...

Which of the following are correct in acidic medium?

A

The oxidising power of `KMnO_(4)` will increase with increase in pH

B

The oxidising power of `KMnO_(4)` will decrease with increase in pH

C

The oxidising of `K_(2)Cr_(2)O^(7)` will increase with increase in pH

D

The oxidising power of `K_(2)Cr_(2)O^(7)` will decrease with increase in pH

Text Solution

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The correct Answer is:
B, D
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GRB PUBLICATION-ELECTROCHEMISTY-Multiple objective type
  1. Which of the following statement(s) is/are correct?

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  2. The reaction (1)/(2)H(2)(g)+AgCl(s)hArrH^(+)(aq)+Cl^(-)(aq)+Ag(s) ...

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  3. Choose the correct satement(s).

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  4. M(s)rarrM^(n+)(aq)+ne^(-) Choose the correct statement(s).

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  5. During the working of a galvanic cell and with the passage of time.

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  6. Given that E(Fe^(2+)//Fe)^(.)=-0.44V,E(Fe^(3+)//Fe^(2+))^(@)=0.77V if...

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  7. In which of the following cell(s): E("cell")=E("cell")^(@)?

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  8. Which is/are correct among the following? Given the half cell EMFs E...

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  9. How long must a current of 4.00 A be applied to a solution of Cu^(2+)(...

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  10. For the cell Cu|CuSO(4)||HCl|H(2)|Pt EMF can be increased by:

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  11. E(A^(+)|A)^(@)=0.5, E(B^(+)|B)^(@)=0.2V, E(C^(+)|C)^(@)=-0.3V, E(D^(...

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  12. E("cell")^(@)=1.1V for Daniel cell. Which of the following expressions...

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  13. Conductivity of an electrolytic solution depends on:

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  14. A(m)^(@)H(2)O is equal to:

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  15. Which of the following are correct for a galvanic cell (Q=Reaction quo...

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  16. Which of the following are correct in acidic medium?

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  17. Which of the following statement(s) is/are correct?

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  18. Choose the correct statement(s)

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  19. For the cell Tl|Tl^(+)(0.001M)||Cu^(2+)(0.01M)|Cu.E("cell") at 25^(@)C...

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  20. For the reduction of NO(3)^(-) ion in an aqueous solution E^(@) is +0....

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