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Why it is not advisable to dissolve KMnO...

Why it is not advisable to dissolve `KMnO_(4)` in cold and concentrated `H_(2)SO_(4)`

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The correct Answer is:
Because explosive `Mn_(2)O_(7)` is formed.
`2KMnO_(4)+2H_(2)SO_(4)toMn_(2)O_(7)+2KHSO_(4)+H_(2)O`
`2Mn_(2)O_(7)to4MnO_(7) to 4MnO_(2)+3O_(2)`
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RESONANCE-D BLOCK ELEMENTS-EXERCISE-I PART-I
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  9. Why KMO(4) is stored in dark bottle and what happens to it's acidic so...

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  10. Why does AgNO(3) produced a black stain on the skin?

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  11. Why is AgBr used in photography ?

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  14. Complete and balance the following reactions: (a) FeSO(4)+H(2)O+O(2)...

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