Interpretation:
During
Concept Introduction:
Oxidation: The gain of oxygen or the loss of hydrogen or the loss of an electron in a species during a
Reduction: The loss of oxygen or the gain of hydrogen or the gain of an electron in a species during a redox reaction is called as reduction.
Oxidizing agent: The substance that is oxidized is called as a reducing agent.
Reducing agent: The substance that is reduced is called as an oxidizing agent.
Oxidation half-reaction: An oxidation half-reaction is a part of redox reaction that shows only for the oxidized species with electrons and its oxidation state increases with the loss of electrons.
Reduction half-reaction: A reduction half-reaction is a part of redox reaction (counterpart of oxidation half-reaction) that shows only for the reduced species with electrons and its oxidation state decreases with the gain of electrons.
Anode: The electrode where the oxidation occurs is called as an anode. It is a negatively charged electrode.
Cathode: The electrode where reduction occurs is called as a cathode. It is a positively charged electrode.

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Chapter 21 Solutions
CHEMISTRY MOLECULAR NATURE OF MATTER AND
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