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For the following reaction in the acidic...

For the following reaction in the acidic solution `MnO_(4)^(-)+8H^(+)+5e^(-)rarrMn^(2+)+4H_(2)O` which of the following gives the true oxidation numbers of the manganese on each side of the equation ?

A

`+ 7` to `+6`

B

`+7` to `+2`

C

`+4` to `+2`

D

`-1` to `+2`

Text Solution

Verified by Experts

The correct Answer is:
B
O.N. of Mn changes from +7 to +2
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DINESH PUBLICATION-REDOX REACTIONS-MCQs
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  3. For the following reaction in the acidic solution MnO(4)^(-)+8H^(+)+5e...

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  4. In which of the following compounds iron has lowest oxidation state?

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  6. The most common oxidation state of an element is -2. The number of ele...

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  7. In which of the following oxidation number of chlorine is +5 ?

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  8. The oxidation nunber of P in HP(2)O(7)^(-) ion is

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  9. The oxidation number of Fe in [Fe(CN)(6)]^(3-) ion is

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  10. The oxidation number of Mn is +7 in

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  11. A compound contains atoms X, Y and Z. The oxidation number of X is +3,...

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  12. The oxidation state of Cr in CrO(5) is :

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  13. Oxidation number of Fe in Fe(3)O(4)are:

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  14. In the conversion of K(2)Cr(2)O(7) to K(2)CrO(4), the oxidation number...

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  15. The oxidation number of carbon in C(12) H(22) O(11) is

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  16. The oxidation number of C in HCN and HNC respectively are

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  17. Oxidation number of carbon in carbon sub-oxide is:

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  18. Oxidation number of silver in silver amalgam is

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  19. The oxidation number of N and Cl in NOClO(4) respectively are

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  20. On the basis of structure, the oxidation of two Cl atoms in CaOCl(2) r...

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