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In the reaction MnO(4)^(-)+SO(3)^(-2)+H^...

In the reaction `MnO_(4)^(-)+SO_(3)^(-2)+H^(+)rarrSO_(4)^(-2)+Mn^(2+)+H_(2)O`

A

`MnO_(4)^(-)` and `H^(+)` both are reduced

B

`MnO_(4)^(-)` is reduced and `H^(+)` is oxidised

C

`MnO_(4)^(-)` is reduced and `SO_(3)^(2-)` is oxidised

D

`MnO_(4)^(2-) ` is oxidised and `SO_(3)^(2-)` is reduced

Text Solution

Verified by Experts

The correct Answer is:
C
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MOTION-OXIDATION & REDUCTION -OXIDATION NUMBER ( EXERCISE -1)
  1. The oxidation state of iodine in H(4)IO(6)^(-) is:

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  2. In acidic medium, reaction MnO(4)^(-) hArr Mn^(2+) is an example of -

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  3. In the reaction MnO(4)^(-)+SO(3)^(-2)+H^(+)rarrSO(4)^(-2)+Mn^(2+)+H(2)...

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  4. Which one of the following is not a redox reaction :-

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  5. The charge on cobalt in [Co(CN)(6)]^(-3) is -

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  6. Which of the following is not a redox change ?

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  7. Which of the following halogen always show only one oxidation state -

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

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  9. The compound in which oxidation state of metal is zero-

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  10. When potassium permanganate is added to acidulated solution of ferrous...

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  11. Which of the following examples does not represent disproportionation ...

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  12. In which of the following compounds, the oxidation state of I-atom is ...

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  13. Oxidation number of Ni in Ni(CO)(4) is-

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  14. H(2)O(2)+H(2)O(2)rarr2H(2)O+O(2) is an example of dispropotionation be...

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  15. In a reaction, H(2)O +C rarr CO +H(2)

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  16. The oxidation number of nitrogen in NH(2)OH is :

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  17. If H(2)S gas is passed through a solution of K(2)Cr(2)O(7), the colour...

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  18. In the following reaction, 4P+3KOH+3H(2)O rarr 3KH(2)PO(2)+PH(3)

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  19. Oxygen has an oxidation state of +2 in

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  20. The oxidation number of chlorine in HOCl is

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