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Oxidation numbers of Mn in K(2)MnO(4) an...

Oxidation numbers of `Mn` in `K_(2)MnO_(4)` and `MnSO_(4)` are respectively

A

`+5`

B

`+7`

C

`+4`

D

`+2`

Text Solution

Verified by Experts

The correct Answer is:
D
As the `SO_(4)^(2-)` ion has O.N = charge on the ion
`:.` O.N of Mn = +2.
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DINESH PUBLICATION-REDOX REACTIONS-Selected Straight
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  2. Oxidation number of S in KCNS is

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  3. Oxidation numbers of Mn in K(2)MnO(4) and MnSO(4) are respectively

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  4. The oxidation number of C in CH(2)O is

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  5. The brown ring complex compound of iron is formulated as [Fe (H(2)O)(5...

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  6. Oxidation number of P in Ba(H(2)PO(2))(2) is

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

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  9. For the redox reaction MnO(4)^(ө)+C(2)O(4)^(2-)+H^(o+)rarrMn^(2+)+CO...

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  10. In the reaction 3Br(2)+6CO(3)^(2-)+3H(2)Orarr5Br^(ө)+BrO(3)^(ө)+6HCO...

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  12. Among these, identify the species with an atom in +6 oxidation state :

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  13. The reaction 3ClO^(ө)(aq)rarrClO(3)(aq)+2Cl^(ө)(aq) is an example ...

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  14. In the standardization of Na(2)S(2)O(3) using K(2)Cr(2)O(7) by iodomet...

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  18. The products formed when an aqueous solution of NaBr is electrolysed i...

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  19. Consider a titration of potassium dichromate solution with acidified M...

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  20. Amount of oxalic acid present in a solution can be determined by its t...

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