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Oxidation number of Mn in K2MnO4 and MnS...

Oxidation number of Mn in `K_2MnO_4` and `MnSO_4` are respectively :

A

`+7` and `+2`

B

`+6` and `+2`

C

`+5` and`+2`

D

`+2`and`+6`

Text Solution

Verified by Experts

The correct Answer is:
B
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MBD PUBLICATION-REDOX REACTIONS-QUESTION BANK
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  2. The oxidation number of arsenic in arsenate is:

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  3. Oxidation number of Mn in K2MnO4 and MnSO4 are respectively :

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  4. Oxidation number of chlorine in chlorine heptaoxide is :

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  5. The oxidation state of I inH4IO6^- is:

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  6. The oxidation number of N in N2H5^+ is :

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  7. In which compound does oxygen has an oxidation state of +2 :

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  8. The oxidation state of hydrogen in CaH2 is :

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  9. Sulphur has the highest oxidation state in :

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  10. In the conversion of Br2 to BrO3^-,the oxidation state of bromine chan...

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  11. In the reduction of dichromate by FE(II), THE number of electrons invo...

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  12. For reducing one mole of MnO4- ion to Mn2+ ions, the number of Farady ...

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  13. The violent reaction between sodium and water is an example of :

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  14. The compound that can work both as an oxidizing and reducing agent is ...

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  15. Which of the following is redox reaction ?

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  16. Which of the following change represents is desproportination reaction...

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  17. When Fe metal is rusted then Fe is:

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  18. When SO2 is passed through acidified solution of potassium dichromate,...

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  19. The oxidation number of Fe in K4[Fe(CN)6] is :

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  20. HCO3^- contains carbon in the oxidation state :

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