Home
Class 12
CHEMISTRY
Identify the product and the colour when...

Identify the product and the colour when `MnO_(2)` is fused with solid KOH in the presence of oxygen `(O_(2))`

A

`KMnO_4` purple

B

`Mn_2O_3` ,brown

C

`K_2MnO_4` , green

D

`MnO`, blue

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • D AND F-BLOCK ELEMENTS

    MODERN PUBLICATION|Exercise COMPETITION FILE (INTEGER TYPE QUESTION)|7 Videos

  • CHEMISTRY IN EVERYDAY LIFE

    MODERN PUBLICATION|Exercise UNIT PRACTICE TEST|13 Videos

  • ELECTROCHEMISTRY

    MODERN PUBLICATION|Exercise UNIT PRACTICE TEST|20 Videos

Similar Questions

Explore conceptually related problems

MnO_(2) is the most important oxide of manganese , MnO_(2) occurs natually as the black coloured mineral pyrolusite. It is an oxidising agent, and decomposes to Mn_(3)O_(4) on heating to 530^(@) C. It is used in the preparation of potassium permanaganate and in the productioon of Cl_(2) gas. Over half million tonnes per year of MnO_(2) is used in dry batteries. Q. When MnO_(2) is fused with KOH in the presence of air, the product formed is:

Identify the prcess when an ore is heated in the presence of oxygen.