Solutions Question 334

Question: The temperature at which 10% aqueous solution (w/v) of glucose will exhibit the osmotic pressure of 14 bar is -

Options:

A) 307.3∘C

B) 307.3 K

C) 34 K

D) −34∘C

Show Answer

Answer:

Correct Answer: B

Solution:

π=nRTV or T=πVnR 10% (w/v) aqueous solution of glucose means 10 g glucose is present in 100 mL of H2O

=14×100×10−3×1800.082×10=307.3K

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