Q45.Which of the following would not give 2-phenylbutane as the major product in a Friedel-Crafts alkylation reaction ? (1) 1-butene +HF (2) 2-butanol +H2SO4 (3) Butanoyl chloride +AlCl3 then Zn, HCl (4) Butyl choloride +AlCl3
What This Question Tests
This question requires understanding Friedel-Crafts alkylation and the propensity of carbocations to rearrange to form more stable secondary or tertiary carbocations, leading to different major products.
Concepts Tested
📚 NCERT Sections This Tests
7.6 — Give Structures Of The Products You Would Expect When Each Of The
Chemistry Class 12 · Chapter 7
7.6 Give structures of the products you would expect when each of the following alcohol reacts with (a) HCl –ZnCl2 (b) HBr and (c) SOCl2. (i) Butan-1-ol (ii) 2-Methylbutan-2-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?
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
📋 Question Details
- Chapter
- Hydrocarbons
- Topic
- Friedel-Crafts alkylation
- Year
- 2013
- Shift
- 22 Apr Online
- Q Number
- Q45
- Type
- MCQ
- NCERT Ref
- Class 11 Chemistry Ch 13: Hydrocarbons; Class 12 Chemistry Ch 10: Haloalkanes and Haloarenes
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