This page requires a JavaScript-enabled browser
Instructions on how to enable your browser are contained in the help file.
Solutions - 5
1.
Solid & liquid phases have some vapour pressure
a) Pb(NO
3
)
2
b) Freezing point
c) Colligative property
d) Measurement of boiling point elevation.
2.
Which of the following is a pair of partially miscible liquids.
a) Carbon tetrachloride – Water
b) Ethyl alcohol – Water
c) Phenol – Water
d) Methyl alchole-benzene
3.
Relative lowering of vapour pressure is (Choose the incorrect)
a) Equal to the mole fraction of solvent.
b) Constant when same moles of different solute are dissolved in same mass of solvent.
c) Temperature dependent
d) Equal to the mole fraction of solute and solvent
4.
An ideal solution is one in which when component A and B are mixed then (Choose the incorrect)
a) P=p
0
X
2
b) ΔH=0
c) Δ P=P
0
X
2
d) ΔV=0
5.
The temp at which partially immiscible pair of liquid leads to the formation of a single phase are called.
a) Absolute temperature
b) Room temperature.
c) Consolute temperature
d) Transition temperature.
6.
Which of the following mixtures of liquids show negative deviation.
a) Chlorobenzene-bromobenzene
b) Hydrochloric acid-water
c) Methyl alcohol-water.
d) Carbon disulphide- chloroform
7.
Solubility curve of CaCl
2
.6H
2
O shows.
a) Discontinuous increase in solubility with temperature.
b) Increase in solubility with temperature
c) Decrease is solubility with temperature.
d) No effect of temperature.
8.
Which of the following conditions must be fulfilled to observe the colligative property.
a) Solution should be non-volatile.
b) All above.
c) Solution should be dilute
d) Solute should be non-electrolyte
This is more feedback!
This is the feedback!
