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Chemistry · Alcohols, Ethers and Phenols

JEE Main 2026 — 8 April, Evening Shift — Question 55

Given below are two statements : Statement-I : Due to increase in van der Waals forces, the order of boiling points is CH3CH2CH2I>CH3CH2I>CH3I\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{I}> \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{I}>\mathrm{CH}_{3} \mathrm{I}.

Statement-II : As

structure

is more symmetric, its melting point is higher than

structure

In the light of the above statements, choose the correct answer from the options given below :

  1. Option A:

    Both Statement-I and Statement-II are true.

    Correct
  2. Option B:

    Both Statement-I and Statement-II are false.

  3. Option C:

    Statement-I is true but Statement-II is false.

  4. Option D:

    Statement-I is false but Statement-II is true.

Answer: A

Step-by-step solution

Statement I : True Order of boiling point : CH3CH2CH2I>CH3CH2I>CH3I\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{I}>\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{I}>\mathrm{CH}_{3} \mathrm{I}

Vanderwaals forces increases due to increase in molecular weight

Statement 2: True Order of melting point :-

structure

<

structure

Boiling point order :- (Boiling point ∝μ\propto \mu )

structure

structure

Answer key and solution verified before publishing.

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Exam
JEE Main 2026
Paper
8 April, Evening Shift
Subject
Chemistry
Chapter
Alcohols, Ethers and Phenols
Topic
Chemical properties of alcohols
Given below are two statements : Statement-I : Due to increase in van… | JEE Main 2026 PYQ with Solution · DhiX AI