HARD
JEE Main/Advance
IMPORTANT
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In the reaction of oxalate with permanganate in acidic medium, the number of electrons involved in producing one molecule of CO2 is:

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Important Questions on Redox Reactions

HARD
JEE Main/Advance
IMPORTANT

25 mL of the given HCl solution requires 30 mL of 0.1 M sodium carbonate solution. What is the volume of this HCl solution required to titrate 30 mL of 0.2 M an aqueous NaOH solution?

HARD
JEE Main/Advance
IMPORTANT
Which ordering of compounds is according to the decreasing order of the oxidation state of nitrogen?                                                                                                            
EASY
JEE Main/Advance
IMPORTANT
Which of the following chemical reactions depicts the oxidising behaviour of H2SO4?
MEDIUM
JEE Main/Advance
IMPORTANT
Hydrogen peroxide acts both as an oxidising and as a reducing agent depending upon the nature of the reacting species. In which of the following cases H2O2 acts as a reducing agent in the acid medium?
EASY
JEE Main/Advance
IMPORTANT
In which of the following reactions, hydrogen peroxide acts as an oxidizing agent?
EASY
JEE Main/Advance
IMPORTANT
The reaction, 3ClO-aqClO3-aq+2Cl-aq is an example of -
EASY
JEE Main/Advance
IMPORTANT
Chlorine on reaction with hot and concentrated sodium hydroxide gives.
HARD
JEE Main/Advance
IMPORTANT
Amongst the following identify the species with an atom with +6 oxidation state.