The resonance structure of Naphthalene and Anthracene
Distinguish between primary (1°) Secondary(2°) Tertiary(3°) Alcohols
Keto-enol Tautomerism
Optical isomerism,  Plane polarized light
Bayer's Oxidation
Why benzene undergoes electrophilic substitution reactions why not addition
Free radicals of carbon
Bond lengths and Energies
Hofmann Degradation
Saytzeff rule
1,2 and 1,4 Addition reactions
Stability of carbonium ions and carbanions
SN1, SN2 Mechanism