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When MnO(2) is fused with KOH and KNO(2...

When `MnO_(2)` is fused with KOH and `KNO_(2)` , a coloured compound is formed. Choose the right compound with the appropriate colour

A

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

B

`KMnO_(4)` purple

C

`Mn_(2)O_(3)` brown

D

`Mn_(3)O_(4)` black

Text Solution

Verified by Experts

The correct Answer is:
A
When `MnO_(2)` react with fused mixture of KOG and `KNO_(3)` it gives `K_(2)MnO_(4)`n(green) as follows
`MnO_(2)+KNO_(3)+2KOHoverset(triangle)rarrK_(2)MnO_(4)+KNO_(2)+H_(2)O`
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