UP Board Organic Roadmap (2026)

UNITS 6 & 7 | TARGETING 14 MARKS

UNIT 6: HALOALKANES & HALOARENES 07 MARKS

Setter's Note: Is unit se SN1 vs SN2 mechanism 100% expected hai[cite: 29]. Organic conversions aur optical rotation ke basic concepts skip mat karna[cite: 29].
1. SN1 & SN2 Mechanisms:
Study SN2 as a single-step "Backside Attack" causing inversion of configuration.
Study SN1 as a two-step process involving "Carbocation Formation"[cite: 29].
Focus on Reactivity Order: \(3^\circ > 2^\circ > 1^\circ\) for SN1 and \(1^\circ > 2^\circ > 3^\circ\) for SN2.
2. Name Reactions & Preparation:
Finkelstein & Swarts: Important for Halogen exchange[cite: 29].
Sandmeyer Reaction: Benzene diazonium chloride se Haloarene banana[cite: 41].
3. Environmental Impact:
Direct theory questions on DDT, Freons, Chloroform, and Iodoform[cite: 31].
Example: "Why is Chloroform stored in dark bottles?" (Formation of Phosgene).

UNIT 7: ALCOHOLS, PHENOLS & ETHERS 07 MARKS

Setter's Note: Phenol ki acidity aur Alcohol identification (Lucas Test) se questions baar-baar repeat hote hain.
1. Acidity of Phenols:
Reasoning: Phenoxide ion resonance se stable hota hai, isliye Phenol alcohol se zyada acidic hai[cite: 35].
Effect of substituents: Nitro group (Electron Withdrawing) acidity badhata hai.
2. Identification of Alcohols:
Lucas Test: \(3^\circ\) alcohol immediately turbidity deta hai, \(2^\circ\) takes 5 mins, and \(1^\circ\) no turbidity at room temp[cite: 34].
Oxidation: Primary \(\rightarrow\) Aldehyde, Secondary \(\rightarrow\) Ketone.
3. Important Mechanisms & Reactions: Dehydration of Ethanol to Ethene (3 Steps)[cite: 34]:
$$CH_3CH_2OH \xrightarrow{H_2SO_4, 443K} CH_2=CH_2 + H_2O$$
Reimer-Tiemann & Kolbe Reaction: Essential for Salicylaldehyde and Salicylic acid synthesis[cite: 35].
Williamson Ether Synthesis: Preparation of symmetrical and unsymmetrical ethers[cite: 36].

FINAL STRATEGY FOR ORGANIC

Organic Chemistry mein marks lane ke liye Name Reactions ki ek sheet banalo. Equations aur logic (like SN1/SN2) ko prioritize karo. Numerical is section se nahi aayenge, sirf Reactions aur Mechanisms aayenge[cite: 3, 4].

As per UP Board Class 12 Official Syllabus 2025-26[cite: 1, 2].