Please give the LIST OF MECHANISM OF ORGANIC CHEMISTRY to be learned for class 12 boards 2024

The list of mechanisms to be learned for Class 12 Organic Chemistry boards 2024 is as follows:

Nucleophilic Substitution Reactions:

• SN1 Mechanism:
  • Tertiary alkyl halide
  • Carbocation intermediate
  • Rate-determining step: formation of carbocation
  • Stereochemistry: racemization
• SN2 Mechanism:
  • Primary and secondary alkyl halides
  • Backside attack
  • Inversion of configuration
  • Rate-determining step: nucleophilic attack

Elimination Reactions:

• E1 Mechanism:
  • Tertiary alkyl halide
  • Carbocation intermediate
  • Rate-determining step: formation of carbocation
  • Zaitsev's rule
• E2 Mechanism:
  • Primary, secondary, and tertiary alkyl halides
  • Strong base
  • Anti-periplanar arrangement
  • Zaitsev's rule

Addition Reactions:

• Electrophilic Addition to Alkenes:
  • Markovnikov's rule
  • Anti-addition
  • Examples: addition of HBr, H2SO4, Cl2, Br2
• Nucleophilic Addition to Carbonyl Compounds:
  • Addition of Grignard reagents, organolithium compounds, and hydride reagents
  • Formation of alcohols
• Addition of HCN to Carbonyl Compounds:
  • Formation of cyanohydrins

Rearrangements:

• Pinacol-Pinacolone Rearrangement:
  • Conversion of vicinal diols to ketones
• Claisen Rearrangement:
  • Rearrangement of allyl ethers
• Beckmann Rearrangement:
  • Conversion of oximes to amides

Aromatic Compounds:

• Electrophilic Aromatic Substitution:
  • Examples: nitration, sulfonation, halogenation, Friedel-Crafts acylation and alkylation