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A solution of $NaClO$ contains $10 g$ of $NaClO$ in one litre. The normality of $NaClO$ solution is: $(Na = 23, Cl = 35.5, O = 16)$

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Important Questions on Solutions

HARD

MHT-CET

IMPORTANT

Practice Book for MHT-CET Chemistry (Physical Chemistry 2)>Chapter 2 - Solutions>TOPICWISE QUESTIONS>Q 89

The vapour pressure of two volatile liquid mixture is

P_{T} = 5.3 + 2 X_{B} (in cm of Hg)

where

X_{B}

is the mole fraction of

B

in mixture. The ratio of mole fraction of

A

and

B

in the vapour phase is

HARD

MHT-CET

IMPORTANT

Practice Book for MHT-CET Chemistry (Physical Chemistry 2)>Chapter 2 - Solutions>TOPICWISE QUESTIONS>Q 90

100 ° C,

benzene and toluene have a vapour pressure of

600

and

1000 torr

respectively. Assuming these two form an ideal solution, calculate the mole fraction of benzene in a solution that boils at

1 atm

and

100 ° C ?

HARD

MHT-CET

IMPORTANT

Practice Book for MHT-CET Chemistry (Physical Chemistry 2)>Chapter 2 - Solutions>TOPICWISE QUESTIONS>Q 91

The ratio of

{ΔT}_{b} / K_{b}

6 % \frac{w}{w} {AB}_{2}

and

9 % \frac{w}{w} A_{2} B ({AB}_{2}

and

A_{2} B

both are non-electrolytes) is

1 mol / kg

in both cases. Hence, atomic masses of

A

and

B

are respectively,

HARD

MHT-CET

IMPORTANT

Practice Book for MHT-CET Chemistry (Physical Chemistry 2)>Chapter 2 - Solutions>TOPICWISE QUESTIONS>Q 92

Vapour pressure of a highly dilute solution of a sparingly soluble salt $AB$ is $20 mm$ of $Hg$ at temperature $T,$ while pure water exerts a pressure of $20.005 mm$ $Hg$ at the same temperature. The solubility product constant of $AB$ at the same temperature is approximately:

HARD

MHT-CET

IMPORTANT

Practice Book for MHT-CET Chemistry (Physical Chemistry 2)>Chapter 2 - Solutions>TOPICWISE QUESTIONS>Q 93

The osmotic pressure of naphthalene solution at

27 ° C

500 mm .

When the solution is diluted and the temperature is raised to

47 ° C,

the osmotic pressure of the solution becomes

105 mm .

The extent of dilution approximately is

HARD

MHT-CET

IMPORTANT

Practice Book for MHT-CET Chemistry (Physical Chemistry 2)>Chapter 2 - Solutions>TOPICWISE QUESTIONS>Q 94

0.1 M NaCl (aq .)

and

0.2 M {AgNO}_{3} (aq .)

solutions are mixed in

3 : 1

volume ratio. The freezing point of the resulting solution is

HARD

MHT-CET

IMPORTANT

Practice Book for MHT-CET Chemistry (Physical Chemistry 2)>Chapter 2 - Solutions>TOPICWISE QUESTIONS>Q 95

How many grams of sucrose $(Molecular weight$ $= 342)$ should be dissolved in $100 g$ water in order to produce a solution with a $105 ° C$ difference between the freezing point and boiling temperatures?

$(K_{f} = 1.86 ° C kg / mol, K_{b} = 0.51 ° C kg / mol)$

MEDIUM

MHT-CET

IMPORTANT

Practice Book for MHT-CET Chemistry (Physical Chemistry 2)>Chapter 2 - Solutions>TOPICWISE QUESTIONS>Q 96

pH

of a

0.1 M

monobasic acid is found to be

2 .

Hence, its osmotic pressure at a given at temperature

T K

is:

A solution of NaClO contains 10 g of NaClO in one litre. The normality of NaClO solution is: Na=23, Cl=35.5, O=16

Important Questions on Solutions

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A solution of $NaClO$ contains $10 g$ of $NaClO$ in one litre. The normality of $NaClO$ solution is: $(Na = 23, Cl = 35.5, O = 16)$