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Potassium permangante on heating gives :...

Potassium permangante on heating gives :

A

`K_(2)MnO_(4), MnO_(2), O_(2)`

B

`MnO_(2), O_(3), KOH`

C

`K_(2)MnO_(4), O_(2)`

D

`MnO_(2), O_(2), KOH `

Text Solution

Verified by Experts

The correct Answer is:
A
`2KMnO_(4) overset("Heat")to K_(2)MnO_(4) + MnO_(2) + O_(2)`
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MODERN PUBLICATION-CHEMISTRY OF D-AND F-BLOCK ELEMENTS-Multiple Choice Questions (Level -I) Transition metal compounds and their Characteristics
  1. Acidifed K(2)Cr(2)O(7) oxidises H(2)S to :

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  2. The mass of gold in an 18 carat gold ring of 4 g is :

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  3. Potassium permangante on heating gives :

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  4. Mn(3)O(4) is a mixed oxide of :

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  5. The reaction MnO(4)^(-) + e^(-) to MnO(4)^(2-) occur in

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  6. Fe^(2+) and Fe^(3+) can be distinguished by :

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  7. The equivalent weight of MnSO(4) is half of its molecular weight when ...

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  8. When potassium dichromate crystals are heated with concentrated sulphu...

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  9. Acidified potassium dichromate is treated with hydrogen sulphide, IN t...

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  10. The oxidation states of Mn in K(2)MnO(4), KMnO(4) and Mn(2)O(7) are re...

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  11. In Cr(2)O(7)^(2-) :

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  12. In a redox reaction, how many moles of electrons are accepted by 1 mol...

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  13. Cr(2)O(3) dissolves in aqueous NaOH in the presence of an oxidant to f...

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  14. Passivity of iron is due to the formation of a thin layer of :

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  15. Two fo the constituents of German silver are :

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  16. The compound which gives off oxygen on moderate heating is :

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  17. Nessler's reagent is :

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  18. The black oxide of copper (CuO) in attacked by moisture and carbon dio...

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  19. FeCl(3) has each of the following characteristics except :

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  20. Thomas slag is :

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