Verified Solution • 2025–26 Session moderate

QJEEM17Chcde8: JEE Main 2017 Chemistry - Class 12 JEEM17Chcde8 Solution: The increasing order of the reactivity of the following halides …

The increasing order of the reactivity of the following halides for the SN1 reaction is :

JEE Main 2017 (Offline) Chemistry - Haloalkanes and Haloarenes Question 145 English

Multiple Choice Options

  • A (II) < (I) < (III)
  • B (I) < (III) < (II)
  • C (II) < (III) < (I)
  • D (III) < (II) < (I)

Step-by-Step Verified Solution

Since SN1 reactions involve the formation of carbocation as intermediate in the rate determining step, more is the stability of carbocation higher will be the reactivity of alkyl halides towards SN1 reaction.

JEE Main 2017 (Offline) Chemistry - Haloalkanes and Haloarenes Question 145 English Explanation
Hence correct order is II < I < III.

Related Learning Resources & Exam Preparation

JEE Main PYQ Question Bank
Browse year-wise authentic previous years' questions with solutions
Authentic CBT Mock Tests
Simulate official exam environment with live timer and percentile scoring