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Questions and Answers
What is oxidation in a redox reaction?
What is oxidation in a redox reaction?
- The increase in the oxidation state
- The gain of electrons
- The loss of electrons (correct)
- The decrease in the oxidation state
In redox reactions, what is reduction?
In redox reactions, what is reduction?
- The gain of electrons (correct)
- The increase in the oxidation state
- The loss of electrons
- The decrease in the oxidation state
Which class of redox reactions involves atom transfer?
Which class of redox reactions involves atom transfer?
- Proton-transfer
- Electron-transfer
- Molecule-transfer
- Atom transfer (correct)
What does 'redox' stand for?
What does 'redox' stand for?
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When did the term 'redox' first come into use?
When did the term 'redox' first come into use?
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Study Notes
Oxidation in Redox Reactions
- Oxidation refers to the process where an atom, ion, or molecule loses electrons during a chemical reaction.
- This results in an increase in oxidation state for the oxidized species.
Reduction in Redox Reactions
- Reduction is the opposite of oxidation, involving the gain of electrons by an atom, ion, or molecule.
- This process leads to a decrease in oxidation state for the reduced species.
Class of Redox Reactions Involving Atom Transfer
- Redox reactions that involve atom transfer are categorized as single displacement or replacement reactions.
- In these reactions, one element displaces another in a compound, facilitating the transfer of electrons and atoms.
Meaning of 'Redox'
- 'Redox' is a contraction of the terms 'reduction' and 'oxidation.'
- It signifies the coupled processes of reduction and oxidation occurring simultaneously in a chemical reaction.
Historical Context of the Term 'Redox'
- The term 'redox' was first introduced in the early 20th century.
- It reflects advances in understanding oxidation-reduction processes in chemistry.
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