Q.

The relationship between osmotic pressure at 273 K when 10 g of glucose (P1), 10 g urea (P2) and 10 g sucrose (P3) are dissolved in 250 ml of water is

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a

P1>P2>P3

b

P3>P1>P2

c

P2>P1>P3

d

P2>P3>P1

answer is C.

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Detailed Solution

π=iCRTi = 1, for glucose, urea & sucrose π=CRTπ=wM×VRT⇒π∝1MSince w and v are same for all at given temperature Hence P2>P1>P3 (∵ Murea
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The relationship between osmotic pressure at 273 K when 10 g of glucose (P1), 10 g urea (P2) and 10 g sucrose (P3) are dissolved in 250 ml of water is