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When manganous salt is fused with KNO(3)...

When manganous salt is fused with `KNO_(3)` and solid NaOH, the oxidation number of Mn changes from-

A

`+2to+3`

B

`+2to+4`

C

`+2to+6`

D

`+2to+7`

Text Solution

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The correct Answer is:
C
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CHHAYA PUBLICATION-REDOX REACTIONS -MCQ HOTSPOT (SINGLE CORRECT TYPE)
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  2. When SO(2)gas is passed through an acidic solution of K(2)Cr(2)O(7) th...

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  3. When manganous salt is fused with KNO(3) and solid NaOH, the oxidation...

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  4. Which of the following reactions due to the reaction gives -

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  5. Which of the following reactions does the rection, Ag^(2+)+Ag to Ag^(+...

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  6. In the following oxidation half- reaction gives - 2KMnO(4)+5H(2)C(2)O...

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  7. The amount of electrons required in reduce 1 mol of nitrate ions to hy...

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  8. The reaction of CIO(2) with H(2)O(2) in an alkaline medium results in ...

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  9. In the balanced equation of the reaction Zn+NO(3)^(-)+OH^(-)toZnO(2)^(...

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  10. The amount of iodine that liberates in the reaction of 0.1 mol K(2)Cr(...

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  11. In a strong alkaline solution, the equivalent mass of KMnO(4)(molecula...

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  12. In the balanced equation of the reaction aKMnO(4)+bNH(3)toKNO(3)+MnO(2...

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  13. In the reaction of KMnO(4) with ferrous ion in an acidic medium KMnO(4...

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  14. The oxidation number of B in NaBH(4) is

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  15. The equivalent mass of the oxidant in the reaction , 3CI(2)+6NaOHto5...

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  16. Cr(OH)(3)+10(3)^(-)+OH^(-)toCrO(4-)^(2-)+H(2)O+I(2): In the balanced e...

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  17. In the balanced equation for the reaction As(2)S(2)+aCIO(3)^(-)+bOH^...

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  18. In the reaction ,Fe(3)O(4)+KMnO(4)toFe(2)O(3)+MnO(2),the equivalent ma...

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  19. Which of the following reactions requires an oxidant -

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  20. In presence of HCI(aq), K(2)CR(2)O(7) oxidises tin (Sn) inot SN^(4+) ...

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