Essential Chemistry for IGCSE - Organic Chemistry And Petrochemicals (Section 1 - No. 4)
Which of the following statements describes a functional group?
A group of atoms within a molecule that always forms four bonds.
A group of atoms responsible for a compound's characteristic chemical reactions.
A group of atoms that are always identical in all organic compounds.
A group of atoms that determine the physical properties of all molecules.
Explanation
A functional group is the part of a molecule that determines its chemical behavior.
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