Home Physics JEE Main Full Syllabus Mock Test 75 Question New Syllabus TEST 11 PCM Which statement about the composition of vap…
Physics JEE Main Full Syllabus Mock Test 75 Question New Syllabus TEST 11 PCM MCQ (Single Correct)

Which statement about the composition of vapour over an ideal molar mixture of benzene and toluene is correct? Assume the temperature is constant i.e .
Given, Vapour pressure ( ) of Pure
Benzene
Toluene

A
The vapour will contain higher percentage of benzene
B
The vapour will contain higher percentage of toluene
C
The vapour will contain equal amount of benzene and toluene
D
Not enough information is given to make a prediction

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Text Solution

Verified by Experts
The correct answer is:
A

A: Benzene B:-Toluene

Mole fraction of benzene in vapour,

Similarly, mole fraction of toluene in vapour, 0.22

∴ The vapour will contain higher percentage of benzene

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