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Chemistry Quiz 3

Chemistry Quiz 3 on Oxidation Number

Chemistry Quiz 3 on oxidation number of periodic table elements or redox reactions contains 10 multiple choice questions (MCQ) and answers to help for the preparation of competitive exams like NEET, IIT, JEE, etc. The oxidation number or oxidation state is a basic property of an atom that describes the total number of electrons that either gain or lose by an atom in order to form a chemical bond with another atom.

Chemistry quiz 3 oxidation number

Oxidation and reduction always go hand in hand during a redox process. We can easily identify oxidation and reduction reactions with the help of oxidation numbers or oxidation states.

Such an online quiz set in learning chemistry is helping to improve the basic knowledge of oxidation reduction or redox reactions. Start the below quiz on oxidation numbers to evaluate yourself.

Chemistry Quiz 3

The oxidation state of the P atom in POCl3 is

The oxidation number of sulfur is -2 in

What is the oxidation state of hydrogen in calcium hydride

The oxidation number of oxygen in the OF2 compound is

The oxidation numbers of nitrogen in NH4NO3

The number of electrons required to reduce chromium completely in Cr2O7-2 to Cr+3 in an acidic medium is

A compound is written as KAl(SO4)x, 12H2O. What is the value of x?

The oxidation state of cobalt in [Co(NH3)]Cl3 is

In SO2 + 2H2S → 3S +2H2O, the substance that is oxidized

The +3 oxidation state of sulfur is present in