A/L Chemistry

Grade 12 — Term 3

4 study notes · Aligned with NIE syllabus

Counted in the Idasara Academy app, which you open with a free account. The free notes, revision, practice and library pages for each lesson are linked below.

Lessons in This Term

Basic Concepts of Organic Chemistry

1 note

Organic chemistry is grounded in carbon atom hybridization (sp³, sp², sp), spatial geometry, IUPAC functional group precedence, and electronic displacements (inductive, resonance, and hyperconjugation effects).

Hydrocarbons and Halohydrocarbons

1 note

The reactivity of aliphatic and aromatic hydrocarbons centers on electrophilic addition to unsaturated pi-bonds, electrophilic aromatic substitution preserving benzene resonance energy, and haloalkane nucleophilic substitution/elimination.

Oxygen-Containing Organic Compounds

1 note

Oxygenated organic functional groups (alcohols, phenols, carbonyls, carboxylic acids) are defined by the acidity of the O-H bond, the nucleophilic susceptibility of the carbonyl carbon, and nucleophilic addition-elimination pathways.

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Nitrogen-Containing Organic Compounds

1 note

Nitrogen-containing compounds (amines, amides, diazonium salts) derive their chemical behavior from the nucleophilicity and basicity of the nitrogen lone pair and the synthetic versatility of arenediazonium intermediates.

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