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Viscosity

A: 0.1 M solu...

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A: 0.1 M solution of glucose has same incrémentin the freezing point than 0.1 M solution of urea. R: K_{} for both has same value.

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Q. Assertion (A):

0.1 M

K C l

has great osmotic pressure than

0.1 M

solution of glucose at same temperature.
Reason (R): In solution

K C l

dissociates to produce more number of particles.

0.1 M

N a C l

has greater osmotic pressure than

0.1 M

solution of glucose at the same temperature. Reason:

N a C l

dissociates to produce more number of particles.

Q. A 2.0 molar sugar solution has approximately the same freezing point as 1.0 molar solution of:

Q. A solution of urea in water has boiling point of

{100.15}^{o} C .

Calculate the freezing point of the same solution if

K_{f}

K_{b}

for water are 1.87 K kg

m o l^{- 1}

m o l^{- 1}

5

% solution (by mass) of cane sugar in water has freezing point of

271 K

and freezing point of pure water is

273.15 K

. The freezing point of a

5

% solution (by mass) of glucose in water is :

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