Chemistry
Define substitution and addition reactions. Give an example for each.
Organic Chemistry
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Answer
Substitution reactions — A reaction in which one atom of a molecule is replaced by another atom (or group of atoms) is called a substitution reaction.
e.g., CH4 + Cl2 ⟶ CH3Cl + HCl
Addition reactions — A reaction involving addition of atoms or molecules to the double or the triple bond of an unsaturated compound so as to yield a saturated product is known as addition reaction.
e.g., C2H4 + Br2 ⟶ C2H4Br2
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