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An explosion takes place when conc. H2SO...

An explosion takes place when conc. `H_2SO_4` is added to `KMnO_4`. Which of the following is formed?

A

`Mn_2O_7`

B

`Mn_2O_3`

C

`MnSO_4`

D

`MnO_2`

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The correct Answer is:
A
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