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CGP EDU Academic Team
Published on: August 14, 2026
2 g of non-volatile hydrocarbon solute dissolved in 100 g of hypothetical organic solvent (molar mass = 50) was found to lower vapour pressure from 75.50 to 75 mm of Hg at 20°C. Given that hydrocarbon contains 96% of C. Then which of the following are true ?
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(a,b) 
= 
= 
⇒ 
= 
⇒ MM = 150
If formula is C x H y , then 
× 100 = 96
⇒ x = 12 and 
× 100 = 4. so, y = 6
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