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Chemistry 11 Chapter 9
Solutions
10
1.
The relative lowering of vapour pressure is?
a) Depends upon the concentration of solute
b) Is constant when equimolar proportion of different are dissolved in solvent
c) All of these
d) Independent of temperature
2.
When enthalpy change is not zero it is the behaviour of?
a) Ideal solution
b) Azeotropic solution
c) Zeotropic solution
d) Non-ideal solution
3.
The molal boiling point constant is the ratio in the elevation in boiling point to?
a) Mole fraction of solvent
b) Mole fraction of solute
c) Molarity
d) Molality
4.
The number of gram equivalent of the solute dissolved per dm3 of a solution is called?
a) Molarity
b) None of these
c) Normality
d) Molalirty
5.
When the vapour pressure is greater than the predicted by the Rout’s law it is called?
a) Positive deviation
b) Non-ideal behavior
c) Ideal behavior
d) Negative deviation
6.
A solution whose molarity is 1 is called?
a) Ideal solution
b) Molar solution
c) Zeotropic solution
d) Molal solution
7.
Which is not the property of ideal solution?
a) Obey Rout’s law
b) Volume of solution is equal to the sum of components volume
c) Enthalpy change is zero
d) Attractive forces are different
8.
Molality depends upon?
a) All of these
b) Temperature
c) Concentration of solution
d) Pressure
9.
Example of ideal solution is?
a) Benzene ether solution
b) Chlorobenzene-bromobenzene solution
c) Benzene toluene solution
d) All of these
10.
A solution which does not obeys Rout’s law is called?
a) Non-ideal
b) Azeotropic
c) Ideal
d) Zeotropic
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