AIPMT PRELIMS2002Chemistry-Solutions
AIPMT PRELIMS 2002 Chemistry Osmotic Pressure MCQ Question
Type: MCQ-numerical-Medium-Class 12
A solution contains non volatile solute of molecular mass M₂. Which of the following can be used to calculate the molecular mass of solute in terms of osmotic pressure :-
A
M₂ = (m₂/π) VRT
B
M₂ = (m₂/V) RT/π
C
M₂ = (m₂/V) πRT
D
M₂ = (m₂/V) π/RT
Correct Answer
Option B
Detailed Explanation
Using the formula for osmotic pressure: π = (n/V)RT, where n = m₂/M₂, rearranging gives M₂ = (m₂/V)RT/π.
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