Examlex
A hypothesis must be tested before it can be considered a theory.
Aromatic Ring
A cyclic (ring-shaped) group of atoms that exhibits stability due to the delocalization of pi electrons across all the ring atoms, common in many organic compounds.
O,p-director
Groups in aromatic chemistry that direct electrophilic substitution reactions to the ortho and para positions.
Mechanism
A detailed description of the step-by-step process by which chemical reactions occur, including the breaking and forming of bonds.
Aromatic Ring
A stable ring-shaped molecule made up of alternating single and double bonds, common in many organic compounds.
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