Q41.The major product obtained from E2 -elimination of 3 −bromo −2 −fluoropentane is (1) (2) (3) (4)
What This Question Tests
This question tests the understanding of E2 elimination reactions, specifically predicting the major product based on Saytzeff's rule and considering the nature of the leaving groups.
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?
6.21 — Primary Alkyl Halide C4H9Br (A) Reacted With Alcoholic Koh To Give Compound (B).
Chemistry Class 12 · Chapter 6
6.21 Primary alkyl halide C4H9Br (a) reacted with alcoholic KOH to give compound (b). Compound (b) is reacted with HBr to give (c) which is an isomer of (a). When (a) is reacted with sodium metal it gives compound (d), C8H18 which is different from the compound formed when n-butyl bromide is reacted with sodium. Give the structural formula of (a) and write the equations for all the reactions.
📋 Question Details
- Chapter
- Haloalkanes & Haloarenes
- Topic
- E2 elimination reactions
- Year
- 2020
- Shift
- 02 Sep Shift 2
- Q Number
- Q41
- Type
- MCQ
- NCERT Ref
- Class 12 Chemistry Ch 10: Haloalkanes and Haloarenes
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