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Surface Tension

49. What is t...

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49. What is the meaning of an equilibrium will be established between vapour phase and liquid phase?

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Q. Assertion :At equilibrium of

L i q u i d ⇌ V a p o u r

, kinetic energy of liquid phase and vapour phase is same. Reason: Kinetic energy of liquid or vapour is given by

\frac{3}{2} R T

Choose the correct option.

Q. For an ideal binary liquid solution with

P_{A}^{0} > P_{B}^{0}

which relation between

X_{A}

(mole fraction of A in liquid phase) and

Y_{A}

(mole fraction of A in vapour phase) is correct,

X_{B}

Y_{B}

are mole fraction of B in liquid and vapour phase respectively:

Q. For an ideal binary liquid solution with

p_{x}^{0} > p_{y}^{0}

in which relation between

X_{x}

(mole fraction of

x

in liquid phase) and

Y_{x}

(mole of fraction of

x

in vapour phase) is correct where

X_{y}

Y_{y}

are mole fraction of

y

in liquid and vapour phase respectively.

Q. Assertion :At equilibrium, vapour phase will be always rich in component which is more volatile Reason: The composition of vapour phase in equilibrium with the solution is determined by the partial pressure of the components.

Q. For an ideal binary liquid solution with

P_{A}^{\circ} > P_{B}^{\circ}

, which relation between

X_{A}

(mole fraction of A in liquid phase) and

Y_{A}

(mole fraction of A in vapour phase) is correct?

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