Advertisements
Advertisements
Question
Complete the following equations : MnO4- + 4H+ + 3e- →
Advertisements
Solution
MnO4- + 4H+ + 3e- → MnO2 + 2H2O
APPEARS IN
RELATED QUESTIONS
Complete the following equations:

Describe the preparation of potassium permanganate. How does the acidified permanganate solution react with iron (II) ions? Write the ionic equation for the reaction.
Give an example and suggest a reason for the following feature of the transition metal chemistry:
A transition metal exhibits the highest oxidation state in oxides and fluorides.
Complete the following equations:
`2MnO_4^(-)+16H^++5S^(2-)rarr`
Write the chemical equation for the preparation of 4 KMnO from 2. MnO Why does purple colour of acidified permanganate solution decolourise when it oxidises Fe2- to Fe3+ ?
Zinc carbonate is precipitated from zinc sulphate solution by the addition of ___________.
When \[\ce{Cu^2+}\] ion is treated with \[\ce{KI}\], a white precipitate is formed. Explain the reaction with the help of chemical equation.
Potassium permanganate on heating at 513 K gives a product which is ______.
Indicate the steps in the preparation of K2Cr2O7 from chromite ore.
Indicate the steps in the preparation of \[\ce{K2Cr2O7}\] from chromite ore.
