PYQ Analysis CBSE Class 12 Chemistry ICSE CBSE Nashik Bright Tutorials
CBSE Class 12 Chemistry: Most Repeated Name Reactions and Questions — 5-Year Analysis
T
Tushar Parik
Author
2 min read
CBSE Class 12 Chemistry: Most Repeated Name Reactions and Questions — 5-Year Analysis
This comprehensive guide from Bright Tutorials covers everything you need to know — with clear explanations, exam tips, and key points for board exam preparation.
In This Article
Most Repeated Name Reactions
- Williamson Synthesis — appeared 4/5 years
- Kolbe's Reaction — 3/5 years
- Reimer-Tiemann Reaction — 3/5 years
- Sandmeyer Reaction — 3/5 years
- Cannizzaro Reaction — 2/5 years
- Aldol Condensation — 2/5 years
- Hofmann Bromamide Reaction — 2/5 years
Most Repeated Conversions
- Phenol → Salicylic acid (Kolbe's)
- Aniline → Chlorobenzene (Sandmeyer's)
- Ethanol → Ethanal → Ethanoic acid
- Benzene diazonium chloride → Phenol
- Haloalkane → Alcohol → Aldehyde
Most Repeated Numericals
- Nernst equation: calculate EMF at non-standard conditions — EVERY year
- Colligative properties: ΔTb, ΔTf, osmotic pressure
- Chemical kinetics: first-order rate constant, half-life
- Electrochemistry: Faraday's law calculations
Chapter-Wise Marks
- Solutions: 5-7 marks
- Electrochemistry: 5-7 marks
- Chemical Kinetics: 5-7 marks
- p-Block + d-Block: 8-10 marks
- Organic Chemistry (haloalkanes to biomolecules): 15-17 marks — HIGHEST
- Polymers + Chemistry in Everyday Life: 4-5 marks
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