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This quiz contains multiple-choice problems on vapour-liquid equilibrium.
Which of the following shows the correct Gibbs phase rule equation?
F = C - P + 2
P = C + P
C = F - P + 2
C = P - F
VLE data, once obtained, is represented on which scale?
Binary scale (0 < x < 1)
Pressure scale (0 < P{a} < 1)
Temperature range (T{1} < x < T{2})
Not specific
When the temperature is plotted against the equilibrium vapour, it is then called
Condensing curve
Dew Point curve
Equilibrium curve
Bubble curve
The higher the concentration of volatile species, __
The higher the rate of liquid flow
The lower the rate of separation
The higher the rate of separation
None of the above
The relative volatility of components i and j can be defined as
K{i}/K{j}
K/K{j}
y{i}/y
x{i}/x
When the boiling temperature is plotted against the liquid composition, then it is called
Cooling curve
Heating curve
Bubble point curve
Volatility phase diagram
Which system can be said as an Ideal system that obeys?
Henry’s Law
Dalton’s Law
Phase Rule
Cremer’s rule
Which of the below represents Dalton’s law?
p{i} = y{i}/P
x = y{i}/p{i}
p{i} = y{i}/x
p{i} = x{i}/y
α{AB} = 2.0 and equilibrium ratio of B is K{B} = 0.7. Estimate α{BA}.
0.9
0.65
0.5
0.6
