Solutions Question 292

Question: Osmotic pressure of a urea solution at 10oC is 500mm. Osmotic pressure of the solution become 105.3 mm. When it is diluted and temperature raised to 25oC. The extent of dilution is [MP PET 2004]

Options:

A) 6 Times

B) 5 Times

C) 7 Times

D) 4 Times

Show Answer

Answer:

Correct Answer: B

Solution:

πV=n,RT

500V1105.3V2=nR×283nR×298 ; V1V2=15 so V2=5V1



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