Learn

Friday, 9 October

JEE Main Chemistry · Haloalkanes and Haloarenes

Allylic and Benzylic Reactivity in SN1

Allylic and Benzylic Reactivity in SN1 (Haloalkanes and Haloarenes) was asked 4 times in 4 JEE Main shifts, 2017–2026, out of the 42 shifts Lumi analysed.

Times asked
4
in 4 shifts
Years
2017–2026
Usual format
Diagram based
Conceptual
Pattern
Frequent
repeats across shifts

How it is asked

  • Statement i/ii on sn1 reactivity
  • Order/ranking of reactivity toward sn1

Difficulty

Easy 1Medium 3Hard 0

Where it sits

Chapter: Haloalkanes and Haloarenes. Topic: SN1 and SN2 Mechanisms, 17 questions over 9 ideas.

Other repeat ideas in this topic

Every time it came

All 4 questions

Newest first, each with its options and official answer.

  1. 2 Apr 2026, Shift 1 · Q64Given below are two statements : Statement (I) : Benzyl chloride reacts faster in SN1\mathrm{S_N1} mechanism than ethyl chloride. Statement…EasyTwo statements
  2. 11 Apr 2023, Shift 1 · Q74[figure: Reaction (I): 4-methoxybenzyl chloride (MeO−C6H4−CH2Cl\mathrm{MeO{-}C_6H_4{-}CH_2Cl}) + Nu gives 4-methoxybenzyl-Nu. Reaction (II):…MediumDiagram basedHas a figure
  3. 3 Aug 2021, Shift 2 · Q45Arrange the following halides in the increasing order of their reactivity towards SN1\mathrm{S_N1} reaction mechanism.MediumSingle correctHas a figure
  4. 2 Apr 2017 (offline) · Q55The increasing order of the reactivity of the following halides for the SN1\mathrm{S_N1} reaction is : CH3CHCH2CH3\mathrm{CH_3CHCH_2CH_3} with Cl on…MediumOtherHas a figure