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Which of the following is true about a redox reaction? In a redox reaction, an electron is lost by the reducing agent.

In a redox reaction, an electron is lost by the oxidizing agent.

In a redox reaction, the oxidized species gains electrons.

In a redox reaction, the reduced species loses electrons.

Verified Answer :

Answer: In a redox reaction, an electron is lost by the reducing agent.

Explanation: Redox reaction is a reaction in which reduction and oxidation both take place.

Oxidation is a process of loss of electrons. Oxidizing agent is one which oxidizes other and itself gets reduced i.e gain electrons.

Reduction is a process of gain of electrons.Reducing agent is  one which reduces other and itself gets oxidized i.e lose electrons.

\(Fe_2O_3+3CO\rightarrow 2Fe+3CO_2\)

In this redox reaction, \(Fe_2O_3\) gets reduced to Fe and thus act as oxidising agent.\(CO\) gets oxidised and act as reducing agent.

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The true statement about the redox reaction is In a redox reaction, an electron is lost by the oxidizing agent.

The correct option is (A).

What is a redox reaction?

Any chemical reaction in which both oxidation and reduction occur with losing and gaining of an electron is called a redox reaction.

There are four types of redox reaction:

  • Disproportional
  • Decomposition
  • Displacement
  • Combination

Example: In the reaction between hydrogen and fluorine, the hydrogen is oxidized whereas the fluorine is reduced.

\(H_2 + F_2 = 2HF\)

The oxidation half-reaction is:\(H_2 +2H+ + 2e-\)

The reduction half-reaction is:\(F_2 + 2e- 2F-\)

Thereafter, the hydrogen and fluorine ions unite to form hydrogen fluoride.

Thus, the correct option is (A) the oxidizing agent loose the electron.

Learn more about redox reaction, here:

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