Alpha Question Bank for Medical: Chemistry>Chapter 8 - Solutions>Exercise 1>Q 75

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The vapour pressure of water at room temperature is lowered by $5 %$ by dissolving a solute in it, then the approximate molality of solution is:

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Alpha Question Bank for Medical: Chemistry>Chapter 8 - Solutions>Exercise 1>Q 76

The boiling point of

C_{6} H_{6}, {CH}_{3} OH, C_{6} H_{5} {NH}_{2}

and

C_{6} H_{5} {NO}_{2}

are

80 ° C, 65 ° C, 184 ° C

and

212 ° C

, respectively. Which one will show the highest vapour pressure at room temperature?

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Alpha Question Bank for Medical: Chemistry>Chapter 8 - Solutions>Exercise 1>Q 77

The vapour pressure of an ideal solution having

0.2

mole non-volatile solute and

0.8

mole solvent is

60 mm .

The vapour pressure of pure solvent at this temperature will be-

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Alpha Question Bank for Medical: Chemistry>Chapter 8 - Solutions>Exercise 1>Q 78

The vapour pressure of pure water at

26 ° C

is

25.21

torr. What is the vapour pressure of a solution Which contains

20.0 g

glucose,

C_{6} H_{12} O_{6},

in

70 g

water?

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Alpha Question Bank for Medical: Chemistry>Chapter 8 - Solutions>Exercise 1>Q 79

Osmotic pressure of aqueous solution is determined by:

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Alpha Question Bank for Medical: Chemistry>Chapter 8 - Solutions>Exercise 1>Q 80

The compound whose

0.1 M

solution has maximum osmotic pressure at

25 ° C

will be-

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Alpha Question Bank for Medical: Chemistry>Chapter 8 - Solutions>Exercise 1>Q 81

A solution containing

500 g

of a protein per litre is isotonic with a solution containing

3.42 g

of sucrose per litre. The molar mass of protein in

g {mol}^{- 1}

is

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Alpha Question Bank for Medical: Chemistry>Chapter 8 - Solutions>Exercise 1>Q 82

The best colligative property used for the determination of molecular masses of polymers is:

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Alpha Question Bank for Medical: Chemistry>Chapter 8 - Solutions>Exercise 1>Q 83

If

0.1 M

solution of glucose and

0.1 M

urea solution are placed on two sides of a semipermeable membrane to equal heights, then it will be correct to say that: