Home
Class 12
CHEMISTRY
When MnO(2) fused with KOH, a coloured c...

When `MnO_(2)` fused with `KOH`, a coloured compound is formed . The product and its colour is:

A

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

B

`Mn_(2)O_(3)`brown

C

`Mn_(2)O_(4)`, black

D

`KMnO_(4)`, purple

Text Solution

Verified by Experts

The correct Answer is:
A
Pyrolusite on fusion with `KOH` in air give green coloured maganate.
`2MnO_(2)+4KOH+O_(2) to 2K_(2)MnO_(2)(green)+2H_(2)O`
Promotional Banner

Topper's Solved these Questions

  • D BLOCK ELEMENTS

    RESONANCE|Exercise EXERCISE-3 PART-II|26 Videos

  • D BLOCK ELEMENTS

    RESONANCE|Exercise EXERCISE-3 PART-III|37 Videos

  • D BLOCK ELEMENTS

    RESONANCE|Exercise EXERCISE-2 PART-IV|7 Videos

  • D & F BLOCK ELEMENTS

    RESONANCE|Exercise INORGANIC CHEMISTRY(d & f- Block Elments)|40 Videos

  • DPP

    RESONANCE|Exercise QUESTIONS|223 Videos

Similar Questions

Explore conceptually related problems

When MnO_(2) is fused with KOH , a coloured compound is formed. The product and its colour is

When MnO_(2) is fused with KOH, a coloured compound is formed, the product and its colour is:

When MnO_2 is fused woth KOH , a coloured compound is formed, the product and its colour are

Coloured Compounds

When MnO_2 is fused with KOH and KNO_3 , a coloured compound is formed. Choose the right compound with the appropriate colour.