AIPMT Prelims Chemistry Redox Reactions Class 11 Questions

In which of the following compounds, nitrogen exhibits highest oxidation state?

A mixture of potassium chlorate, oxalic acid and sulphuric acid is heated. During the reaction which element undergoes maximum change in the oxidation number?

When Cl₂ gas reacts with hot and concentrated sodium hydroxide solution, the oxidation number of chlorine changes from

Acidified K₂Cr₂O₇ solution turns green when Na₂SO₃ is added to it. This is due to the formation of

Which one of the following compounds is a peroxide?

Among the following which is the strongest oxidising agent?

Number of moles of MnO₄⁻ required to oxidize one mole of ferrous oxalate completely in acidic medium will be :

The number of moles of KMnO₄ that will be needed to react with one mole of sulphite ion in acidic solution is

The number of moles of KMnO₄ reduced by one mole of KI in alkaline medium is:

Which is the best description of the behavior of bromine in the reaction given below:- H₂O + Br₂ → HOBr + HBr

Which reaction is not feasible :-

Oxidation numbers of A, B and C are +2, +5 and –2 respectively possible formula of compound is :