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When KMnO(4) is reduced with oxalic acid...

When `KMnO_(4)` is reduced with oxalic acid in acidic solution, the oxidation number of `Mn` changes from

A

`+7 ` to `+2`

B

`+7` to `+4`

C

`+7` to `+6`

D

`+6` to `+2`

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The correct Answer is:
A
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On reduction of KMnO_(4) by oxalic acid in acidic medium, the oxidation number of Mn. What is the magnitude of is change?

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AAKASH INSTITUTE-REDOX REACTIONS-Assignment (Section A) (Objective type Questions (one option is correct))
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  2. The oxidation number of nitrogen in NH(2)OH is :

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  3. When KMnO(4) is reduced with oxalic acid in acidic solution, the oxida...

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  4. In which of the following reactions the underlined substance is oxidis...

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  5. The oxidation state of phosphorus vary from

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  6. In which of the following reactions, the underlined element has decrea...

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  7. A metal ion M^(3+) loses three electrons , its oxidation number will b...

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  8. In which one of the following changes there are transfer of five elect...

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  9. The oxidation states of the most electronegative elements in the produ...

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  10. The oxidation number of chlorine in HOCl is

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  11. In the reaction, Cl(2)+OH^(-)rarrCl^(-)+ClO(4)^(-1)+H(2)O, chlorine ...

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  12. The oxidation number of P in Mg(2)P(2)O(7) is

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  13. For the redox reaction, MnO(4)^(-) + C(2)O(4)^(2-) + H^(+) rarr Mn^(...

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  14. Oxygen has an oxidation state of +2 in

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  15. A compound contains three elements A,B and C, if the oxidation number ...

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  16. In which of the following pairs. the oxidation states, of sulphuric an...

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  17. The oxidation number of sulphur in S(8), S(2)F(2) and H(2)S respective...

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  18. Oxidation number of C in HNC is :

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  19. The oxidation number of Cl in CaOCl(2) is

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  20. Which of the following molecules can act as an oxidising agent as well...

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