Question

Mn++ can be converted into Mn+7 by reacting with 

Solution

Correct option is

PbO2

 

PbO2 oxidises Mn++ to Mn+7. The reaction is as follows   

SIMILAR QUESTIONS

Q1

Ammonium dichromate on heating gives

Q2

 

White silver surface turns black when O3 is passed over it.   

This is due to the formation of

Q3

Reaction that involves atmospheric oxygen are never promoted by

Q4

The yellow colour often shown by nitric acid may be removed by

Q5

What is the name of the compound containing N, H and O, which on heating give laughing gas?

Q6

Which one of the following is best oxidizing agent? 

Q7

Which one of the following is pseudohalide?

Q8

Oxidation state exhibited by sulphur is

Q9

How many bonding electron pairs are there in white phosphorus?

Q10

Solid iodine is