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When a manganous salt is fused with a mi...

When a manganous salt is fused with a mixture of `KNO_3` and solid `NaOH`, the oxidation number of Mn change from `+2` to :

A

`+4`

B

`+3`

C

`+6`

D

`+7`

Text Solution

Verified by Experts

The correct Answer is:
C
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NARENDRA AWASTHI-STOICHIOMETRY-Level 1 (Q.121 To Q.150)
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  2. When K2 Cr2 O7 is converted to K2 CrO4 then change in the oxidation st...

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  3. When a manganous salt is fused with a mixture of KNO3 and solid NaOH, ...

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  4. In Fe(II)-MnO4^- titration, HNO3 is not used because :

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  5. Which species are oxidised and reduced in the reaction? FeC(2)O(4)+K...

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  6. In which of the following reactions, H(2)O(2) is acting as a reducing...

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  7. Following reaction describes the rusting of iron 4Fe+3O(2) rarr 4Fe^...

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  8. Which reaction does not represent auto redox or disproptionation?

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  9. Which of the following is redox reaction ?

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  10. Which of the following is redox reaction?

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  11. For the redox reation MnO(4)^(-)+C(2)O(4)^(2-)+H^(+)rarrMn^(2+)CO(2)...

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  12. In the chemical reaction, K(2)Cr(2)O(7)+xH(2)SO(4)+ySO(2)rarrK(2)SO(...

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  13. Balance the followings equations and choose the quantity which is the ...

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  14. Balance the followings equations and choose the quantity which is the ...

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  15. If 0.1 mole H(3)PO(x) is completely neutralised by 5.6g KOH then selec...

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  16. When potassium permanganate is titrated against ferrous ammonium sulph...

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  17. Equivalent mass of FeS2 inthe half reaction, FeS2 rarr Fe2 O3+SO2 is :

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  18. What is the oxidation number of Cr in Potassium Dichromate ?

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  19. Equivalent weight of H(3)PO(2) when it disproportionates into PH(3) an...

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  20. In the following reaction, As2S3 + H^+ +NO3^- rarr NO + H2O+As O4^(3-)...

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