Which of the following statements regarding oxidation and reduction are correct 1 In oxidation loss ...........

General Science (Easy) Chemistry

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Which of the following statements regarding oxidation and reduction are correct?

1. In oxidation, loss of electron takes place whereas in reduction, gain of electron takes place.

2. In oxidation, gain of electron takes place whereas in reduction, loss of electron takes place.

3. Oxidizing agent decreases the oxidation number but reducing agent increases the oxidation number.

4. Oxidizing agent increases the oxidation number but reducing agent reduces the oxidation number.

Select the correct answer using the code given below :

1 and 3

2 and 4

2 and 3

1 and 4

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Explanation:

1 and 4

A. An increase in oxidation number is due to loss of an electron and is called oxidation.
B. A decrease in oxidation number is due to gain of electron and is called reduction.
C. A reagent which lowers the oxidation number of an element in a given substance is the reducing agent or reductant.
D. A reagent which increase the oxidation number of an element in a given substance is the oxidising agent or oxidant.