Reduction process involve

CONCEPT:

Reduction Process

• Reduction is a chemical reaction that involves the gain of electrons by a molecule, atom, or ion.
• It is one half of a redox (reduction-oxidation) reaction, where the other half involves oxidation, or the loss of electrons.
• Reduction leads to a decrease in the oxidation state of the species being reduced.

EXPLANATION:

• Given the following statements about the reduction process:
  1. Gain of electrons
  2. Addition of oxygen
  3. Loss of electrons
  4. Increase in oxidation number
• The correct answer is option 1 (Gain of electrons) because:
  • Reduction involves the gain of electrons, which results in a decrease in the oxidation state of the species being reduced.
  • Option 2 (Addition of oxygen) is incorrect because it pertains to oxidation, not reduction.
  • Option 3 (Loss of electrons) is incorrect because it describes oxidation, not reduction.
  • Option 4 (Increase in oxidation number) is incorrect because reduction results in a decrease in oxidation number.

Therefore, the correct answer is Gain of electrons.