Search No. 1
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(i) Rearrangement with change in Carbon Skeleton and resonance.
(ii) Aromaticity and electrophilic substitution in aromatic compounds.
Search No. 2
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(i) Possible mechanism of elimination reactions and hyperconjugation.
(ii) Acidic and basic character of organic compounds.
Search No. 3
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(i) Possible mechanism of nucleophilic substitution reactions, showing methods for its determine and their electronic effects.
(ii) Nucleophilic substitution reaction in aromatic compounds.
Search No. 4
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(i) Orientation in addition reactions to alkenes, its rearrangements.
(ii) Industrial applications of aromatic compounds: Aromatic amines, reactions and applications.