Q69.The major product of the following reaction is : (1) 2-Phenylhepta-2,5-diene (2) 6-Phenylhepta-2,4-diene (3) 6-Phenylhepta-3,5-diene (4) 2-Phenylhepta-2,4-diene
What This Question Tests
This question requires predicting the major product of an alcohol dehydration reaction, applying knowledge of carbocation stability and Zaitsev's rule for alkene formation.
Concepts Tested
📚 NCERT Sections This Tests
7.7 — Predict The Major Product Of Acid Catalysed Dehydration Of
Chemistry Class 12 · Chapter 7
7.7 Predict the major product of acid catalysed dehydration of (i) 1-methylcyclohexanol and (ii) butan-1-ol
7.13 — Show How Will You Synthesise:
Chemistry Class 12 · Chapter 7
7.13 Show how will you synthesise: (i) 1-phenylethanol from a suitable alkene. (ii) cyclohexylmethanol using an alkyl halide by an SN2 reaction. (iii) pentan-1-ol using a suitable alkyl halide?
6.20 — The Treatment Of Alkyl Chlorides With Aqueous Koh Leads To The Formation Of
Chemistry Class 12 · Chapter 6
6.20 The treatment of alkyl chlorides with aqueous KOH leads to the formation of alcohols but in the presence of alcoholic KOH, alkenes are major products. Explain.
📋 Question Details
- Chapter
- Hydrocarbons
- Topic
- Dehydration of alcohols and alkene formation
- Year
- 2025
- Shift
- 28 Jan Shift 2
- Q Number
- Q69
- Type
- MCQ
- NCERT Ref
- Class 12 Chemistry Ch 11: Alcohols Phenols Ethers
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