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In a redox reaction, if the oxidation state of an element decreases, what is hap

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Question: In a redox reaction, if the oxidation state of an element decreases, what is happening to that element? (2021)

Options:

  1. It is being oxidized
  2. It is being reduced
  3. It is unchanged
  4. It is ionized

Correct Answer: It is being reduced

Exam Year: 2021

Solution: 

A decrease in oxidation state indicates that the element is gaining electrons, which means it is being reduced.

In a redox reaction, if the oxidation state of an element decreases, what is hap

Practice Questions

Q1
In a redox reaction, if the oxidation state of an element decreases, what is happening to that element? (2021)
  1. It is being oxidized
  2. It is being reduced
  3. It is unchanged
  4. It is ionized

Questions & Step-by-Step Solutions

In a redox reaction, if the oxidation state of an element decreases, what is happening to that element? (2021)
  • Step 1: Understand what oxidation state means. It is a number that shows how many electrons an atom has gained, lost, or shared.
  • Step 2: Recognize that a decrease in oxidation state means the atom is losing positive charge or gaining negative charge.
  • Step 3: Realize that gaining negative charge means the atom is gaining electrons.
  • Step 4: Conclude that if an element's oxidation state decreases, it is being reduced because it is gaining electrons.
  • Redox Reactions – In redox reactions, oxidation and reduction involve the transfer of electrons, where a decrease in oxidation state signifies reduction.
  • Oxidation State – The oxidation state of an element indicates its degree of oxidation or reduction in a chemical reaction.
  • Electron Gain – A decrease in oxidation state corresponds to the gain of electrons by the element.
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