Physics, asked by waghumbareshraddha20, 5 hours ago

explain oxidation and reduction in brief. (10th STD question)​

Answers

Answered by jaswalsharmila58
1

Answer:

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Explanation:

The terms oxidation and reduction can be defined in terms of the adding or removing oxygen to a compound. ... Oxidation is the gain of oxygen. Reduction is the loss of oxygen.

Answered by itsmesanyo29
9

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The chemical reactions which often work together are oxidation and reduction. During this reaction there is an exchange of electrons. When reduction oxidation reactions occur simultaneously it is called as redox reaction or reduction- oxidation reaction. These are balanced chemical reactions.

OXIDATION -

  • Oxidation can be defined as the loss of electrons from an atom, molecule or an ion.
  • This loss of electrons causes the oxidation state of the chemical species to be increased.
  • Since an oxidation reaction releases electrons, there should be an electron accepting species.
  • Therefore, the oxidation reaction is a half reaction of a major reaction.
  • The oxidation of a chemical species is given as the change of its oxidation states.
  • Oxidation state is a number with positive (+) or negative (-) symbol that indicates the loss or gain of electrons by a particular atom, molecule or an ion.

REDUCTION -

  • Reduction can be defined as the gain of electrons from an atom, molecule or an ion.
  • This gain of electrons causes the oxidation state of the chemical species to decrease because the reduction creates an extra negative electrical charge in atoms.
  • In order to obtain electrons from outside, there should be an electron donating species.
  • Therefore, the reduction is a chemical reaction that takes place during redox reactions.
  • Reduction reaction is a half reaction.

DIFFERENCE BETWEEN OXIDATION AND REDUCTION-

OXIDATION

  • Oxidation can be defined as the loss of electrons from an atom, molecule or an ion
  • The oxidation state increases in oxidation.
  • Oxidation reactions release electrons to the surrounding.
  • Oxidation causes the increase of positive charge of a chemical species
  • Oxidation occurs in reducing agents.

REDUCTION

  • Reduction can be defined as the gain of electrons from an atom, molecule or an ion
  • The oxidation state decreases in reduction.
  • Reduction reactions obtain electrons from the surrounding.
  • Reduction causes the increase of negative charge of a chemical species.
  • Reduction occurs in oxidizing agents.
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