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KmnO(4) is the oxo salt of :...

`KmnO_(4)` is the oxo salt of :

A

`MnO_(2)`

B

`Mn_(2)O_(7)`

C

`MnO_(3)`

D

`Mn_(2)O_(3)`

Text Solution

Verified by Experts

The correct Answer is:
B
`MnO_(2)O_(7)` is an acid anhydried of `HmnO_(4)` and thus `MnO_(4)^(-)` is oxo salt of `Mn_(2)O_(7)`.
`Mn_(2)O_(7)+H_(2)O to 2HMmO_(4)`,
`2HMnO_(4)+2KOH to 2KMnO_(4)+2H_(2)O`
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