JEE Main 2019ChemistryHydrocarbonsReaction Of AlkeneshardMCQ

JEE Main 2019 — Hydrocarbons Question with Solution

From: JEE Main 2019 (Online) 9th April Evening Slot

Question

Increasing order of reactivity of the following compounds for SN1 substitution is: JEE Main 2019 (Online) 9th April Evening Slot Chemistry - Hydrocarbons Question 113 English

This question includes a diagram. The text above accompanies the figure.

Choose an option

Show full solutionCorrect option: C
Correct answer
C(B) < (A) < (D) < (C)

Step-by-step explanation

In SN1 substitution reaction, reactivity of compound depends on the stability of carbocation formed in the rate determination step. Reactivity of compound will be more when it's carbocation is more stable.

JEE Main 2019 (Online) 9th April Evening Slot Chemistry - Hydrocarbons Question 113 English Explanation

So stability order of carbocation :

C > D > A > B

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About this question

This is a previous-year question from JEE Main 2019, covering the Hydrocarbons chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.