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Potassium permanganate acts as an oxidan...

Potassium permanganate acts as an oxidant in neutral, alkaline as well as acidic media. The final product obtained from it in three condition are respectively:

A

`MnO_(2),NnO_(2),Mn^(2+)`

B

`MnO_(4)^(2-),Mn^(3+),Mn^(2+)`

C

`MnO_(2),MnO_(4)^(2-),Mn^(3+)`

D

`MnO,MnO_(4),Mn^(2+)`

Text Solution

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The correct Answer is:
A

`MnO_(2),MnO_(2), Mn^(2+)` In neutral medium,
`2KMnO_(4)+3MnSO_(4)+2H_(2)OrarrK_(2)SO_(4)+2H_(2)SO_(4)+5MnO_(2)`
In alkaline medium,
`2KMnO_(4)+H_(2)Orarr 2MnO_(2)+2KOH+3O`
In acidic medium,
`2KMnO_(4)+3H_(2)SO_(4)rarrK_(2)SO_(4)+2overset(+2)MnSO_(4)+5H_(2)O+5O`
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ERRORLESS -D & P-BLOCK ELEMENTS-Ordinary Thinking (Compounds of d & f block elements)
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  2. AgNO3 gives red ppt. with.

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  3. Potassium permanganate acts as an oxidant in neutral, alkaline as well...

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  4. In acidic medium one mole of MnO(4)^(-) accepts how many moles of elec...

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  5. In acidic medium potassium dichromate acts as on oxidant according to ...

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  6. The protection of steel by chrome plating is due to

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  7. In alkaline medium , KMnO(4) reacts as follows 2KMnO(4)+2KOH rarr 2K...

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  8. Manganese achieves its hightest oxidation state in its compound

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  9. Which of the following metal forms an amphoteric oxide

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  10. Iron is rendered passive by treatment with concentrated

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  12. Cuprite contains

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  13. Which of the following ions will give a colourless aqueous solution

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  14. Zinc reacts with hot and concetrated H(2)SO(4) to give

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  15. Which metal is electro-deposited on iron surface to prevent rusting

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  16. In which of the following ionic radii of chromium would

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  17. A compound of Zinc which is white in cold state and yellow in hot stat...

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  18. What is the product obtained when MnO(2) solution is boiled with PbO(2...

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  19. Acidified potassium dichromate is treated with hydrogen sulphide. In t...

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  20. The correct formula of permaganic acid is

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