Beta Question Bank for Medical: Chemistry>Chapter 8 - Solutions>EXERCISE-III (Analytical Questions)>Q 24

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Earn 100

Osmosis of $A$ into solution $B$ will not take place if:-

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Important Questions on Solutions

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Beta Question Bank for Medical: Chemistry>Chapter 8 - Solutions>EXERCISE-III (Analytical Questions)>Q 26

The average osmotic pressure of human blood is

7.8

bar at

37^{0} C

. What is the concentration of an aqueous

NaCl

solution that could be used in the blood stream ?

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Beta Question Bank for Medical: Chemistry>Chapter 8 - Solutions>EXERCISE-III (Analytical Questions)>Q 27

Camphor is often used in molecular mass determination because:

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Beta Question Bank for Medical: Chemistry>Chapter 8 - Solutions>EXERCISE-III (Analytical Questions)>Q 28

A

5.25 %

solution of a substance is isotonic with

1.5 %

solution of urea (molar mass

= 60 {gmol}^{- 1}

) in the same solvent. If the densities of both the solutions are assumed to be equal to

1.0 {gcm}^{- 3},

molar mass of the substance will be:

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Beta Question Bank for Medical: Chemistry>Chapter 8 - Solutions>EXERCISE-III (Analytical Questions)>Q 29

A

5 %

solution of cane sugar is isotonic with

1 %

solution of unknown solute. The molar mass of unknown solute in

g {mol}^{- 1}

is

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Beta Question Bank for Medical: Chemistry>Chapter 8 - Solutions>EXERCISE-III (Analytical Questions)>Q 30

The degree of dissociation of weak electrolyte

A_{x} B_{y}

is related to van't Hoff factor

(i)

by the expression.

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Beta Question Bank for Medical: Chemistry>Chapter 8 - Solutions>EXERCISE-III (Analytical Questions)>Q 31

The Van't Hoff factor for

0.1 M Ba {({NO}_{3})}_{2}

solution is

2.74 .

The degree of dissociation is

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Beta Question Bank for Medical: Chemistry>Chapter 8 - Solutions>EXERCISE-III (Analytical Questions)>Q 32

Arrange the following aqueous solution in the order of their increasing boiling points:
(i)

10^{- 4} M N a C l

(ii)

10^{- 4} M

Urea
(iii)

10^{- 3} M {M g C l}_{2}

(iv)

10^{- 2} M N a C l

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Beta Question Bank for Medical: Chemistry>Chapter 8 - Solutions>EXERCISE-III (Analytical Questions)>Q 33

The relationship between the values of osmotic pressures of solutions obtained by dissolving

6.00 g L^{- 1}

of

{CH}_{3} COOH (π_{1})

and

7.45 g L^{- 1}

of

KCl (π_{2})

is