Equilibrium Involving Physical Processes (Solid-Liquid, Liquid - Gas and Solid-Gas Equilibria, Henry's Law...) NEET Questions

Physical Chemistry - Equilibrium

Equilibrium Involving Physical Processes (Solid-Liquid, Liquid - Gas and Solid-Gas Equilibria, Henry's Law...) MCQ Questions


13.
What is the effect of increasing pressure on the solubility of oxygen in water?
A.
Increases
B.
Decreases
C.
Remains constant
D.
Becomes zero
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ANSWER :
A. Increases
14.
Which of the following statements is true for a system at equilibrium?

NEET - 2022

A.
The concentrations of reactants and products are equal
B.
The forward and reverse reactions have stopped
C.
The rates of the forward and reverse reactions are equal
D.
The reaction has proceeded to completion
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ANSWER :
C. The rates of the forward and reverse reactions are equal
15.
Henry’s law is used to describe:
A.
Partial pressure of gases
B.
Vapor pressure of liquids
C.
Solubility of gases in liquids
D.
Boiling point of liquids
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ANSWER :
C. Solubility of gases in liquids
16.
In solid-liquid equilibrium, at equilibrium:
A.
The rate of melting < Rate of freezing
B.
The rate of melting > Rate of freezing
C.
The rate of melting = Rate of freezing
D.
Solid disappears completely
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ANSWER :
C. The rate of melting = Rate of freezing
17.
Which of the following is NOT an example of a physical equilibrium?
A.
Vaporization of water
B.
Dissolution of salt in water
C.
Combustion of fuel
D.
Sublimation of iodine
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ANSWER :
C. Combustion of fuel
18.
The vapor pressure of a liquid depends on:
A.
Amount of liquid
B.
Surface area
C.
Temperature
D.
Molecular weight
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ANSWER :
C. Temperature