n-factor of hydrogen peroxide acting like reducing agent in acidic medium is

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answer is B.

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Detailed Solution

Answer: a) 2

Explanation:

The n-factor represents the total number of electrons gained or lost in a reaction. In the case of hydrogen peroxide (H₂O₂) acting as a reducing agent in acidic medium, it undergoes reduction to water (H₂O).

Reaction:

H₂O₂→H₂O+O₂

In this reaction:

Each molecule of hydrogen peroxide (H₂O₂) donates 2 electrons.
The reduction of H₂O₂ involves the transfer of 2 electrons, as each oxygen atom in H₂O₂ changes its oxidation state from -1 to -2 in water.

Since hydrogen peroxide donates 2 electrons per molecule, the n-factor for H₂O₂ as a reducing agent in acidic medium is 2.

Therefore, the correct answer is option a) 2.

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