Alpha Question Bank for Medical: Chemistry>Chapter 8 - Solutions>Exercise 2>Q 16

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The mole fraction of $C_{3} H_{5} {(OH)}_{3}$ in a solution of $36 g$ of water and $46 g$ of glycerine is:

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Alpha Question Bank for Medical: Chemistry>Chapter 8 - Solutions>Exercise 2>Q 17

A sample of air is saturated with benzene(vapour pressure

= 100 mm of Hg

at

298 K

) at

298 K, 750 mm of Hg

pressure. If it is isothermally compressed to one third of its initial volume, the final pressure of the system is

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Alpha Question Bank for Medical: Chemistry>Chapter 8 - Solutions>Exercise 2>Q 18

Pressure cooker reduces cooking time because

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Alpha Question Bank for Medical: Chemistry>Chapter 8 - Solutions>Exercise 2>Q 19

Mixture of the volatile components

A

and

B

has the total vapour pressure (in

Torr

)

p = 254 - 119 x_{A}

where

x_{A}

is the mole fraction of

A

in the mixture. Hence

p_{A}^{°}

and

p_{B}^{°}

are: (in

Torr

)

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Alpha Question Bank for Medical: Chemistry>Chapter 8 - Solutions>Exercise 2>Q 20

In which case is the Van't Hoff factor maximum?

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Alpha Question Bank for Medical: Chemistry>Chapter 8 - Solutions>Exercise 2>Q 21

pH

of a

0.1 M

monobasic acid is found to be

2

. Hence, its osmotic pressure at a given temperature

T K

is:

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Alpha Question Bank for Medical: Chemistry>Chapter 8 - Solutions>Exercise 2>Q 22

${FeCl}_{3}$ on reaction with $K_{4} [Fe (CN)_{6}]$ in aqueous solution gives blue colour. These are separated by a semi-permeable membrane $PQ$ as shown. Due to osmosis there is

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Alpha Question Bank for Medical: Chemistry>Chapter 8 - Solutions>Exercise 2>Q 23

If '

A

' contains

2 % NaCl

and is separated by a semi-permeable membrane from '

B

' which contains

10 % NaCl

, which event will occur?

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Alpha Question Bank for Medical: Chemistry>Chapter 8 - Solutions>Exercise 2>Q 24

The osmotic pressure of blood is

7.40 atm

at

27 ° C

. The number of mole of glucose to be used per litre for an intravenous injection that is to have the same osmotic pressure as blood is