ICSE Chemistry>Chapter 2 - Solutions>REVIEW EXERCISES>Q 2.87

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12th ICSE

IMPORTANT

Earn 100

Calculate the van't Hoff factor of ${CdSO}_{4}$ (molecular mass $= 208.4$ ) if the dissociation of $5.21 g$ of ${CdSO}_{4}$ in half litre water gives a depression in freezing point of $0.168 ° C$ . ( $K_{f}$ of water is $1.86 K kg {mol}^{- 1}$ )

Important Questions on Solutions

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12th ICSE

IMPORTANT

ICSE Chemistry>Chapter 2 - Solutions>REVIEW EXERCISES>Q 2.88

A

0.1 M

solution of

NaCl

is found to be isotonic with

1 %

urea solution. Calculate van't Hoff factor,

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12th ICSE

IMPORTANT

ICSE Chemistry>Chapter 2 - Solutions>REVIEW EXERCISES>Q 2.88

A

0.1 M

solution of

NaCl

is found to be isotonic with

1 %

urea solution. Calculate degree of dissociation of

NaCl

.

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12th ICSE

IMPORTANT

ICSE Chemistry>Chapter 2 - Solutions>REVIEW EXERCISES>Q 2.89

Calculate the boiling point of a solution containing

0.61 g

of benzoic acid in

50 g

of carbon-disulphide assuming

84 %

dimerisation of the acid. The boiling point and

K_{b}

of

{CS}_{2}

are

46.2 ° C

and

2.3 K kg {mol}^{- 1}

respectively.

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12th ICSE

IMPORTANT

ICSE Chemistry>Chapter 2 - Solutions>REVIEW EXERCISES>Q 2.9

A decimolar solution of potassium ferrocyanide is

50 %

dissociated at

300 K

. Calculate the osmotic pressure of the solution. (Given :

R = 8.314 J K^{- 1} {rnol}^{- 1}

)

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12th ICSE

IMPORTANT

ICSE Chemistry>Chapter 2 - Solutions>VERY SHORT ANSWER TYPE QUESTIONS>Q 2

What is a binary solution?

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12th ICSE

IMPORTANT

ICSE Chemistry>Chapter 2 - Solutions>VERY SHORT ANSWER TYPE QUESTIONS>Q 3

What is the criteria for two liquids to be completely miscible?

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12th ICSE

IMPORTANT

ICSE Chemistry>Chapter 2 - Solutions>VERY SHORT ANSWER TYPE QUESTIONS>Q 3

What is the criteria for two liquids to be partially miscible?

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12th ICSE

IMPORTANT

ICSE Chemistry>Chapter 2 - Solutions>VERY SHORT ANSWER TYPE QUESTIONS>Q 4

On what factors does the solubility of a gas in a liquid depend?