Related Questions

Two substances are in equilibrium in a reversible chemical reaction. If the concentration of each substance is doubled, then the value of the equilibrium constant will be
A Same
B Doubled
C Halved
D One fourth of its original value
In a reversible chemical reaction having two reactants in equilibrium, if the concentration of the reactants are doubled, then the equilibrium constant will
A Remain the same
B Be halved
C Also be doubled
D Become one fourth
The equilibrium constant of a catalytic chemical reaction __________ due to the presence of a catalyst.
A Increases
B Decreases
C Remains unaffected
D Unpredictable from the data
The equilibrium constant of chemical reaction __________ in the presence of catalyst.
A Increases
B Decreases
C Remains unaffected
D Can either increase or decrease (depends on the type of catalyst)
Chemical potential (an intensive property) of a substance is a force that drives the chemical system to equilibrium and is equal to its partial molar properties. The reatio of chemical potential to free energy of a pure substance at oconstant temperature and pressure is
A 0
B 1
C ∞
D None of these
The equilibrium constant K of a chemical reaction depends on
A Temperature only
B Pressure only
C Temperature and pressure
D Ratio of reactants
The unit of equilibrium constant of a chemical reaction is the same as that of
A Molar concentration
B Temperature
C Internal energy
D None of these
The free energy change for a chemical reaction is given by (where, K = equilibrium constant)
A RT lnK
B -RT lnK
C -R lnK
D T lnK
For an ideal gas mixture undergoing a reversible gaseous phase chemical reaction, the equilibrium constant
A Is independent of pressure
B Increases with pressure
C Decreases with pressure
D Increases /decreases with pressure depending on the stoichiometric co-efficients of the reaction
Which of the following will favour the reverse reaction in a chemical equilibrium reaction?
A Increasing the concentration of one of the reactants
B Increasing the concentration of one or more of the products
C Removal of at least one of the products at regular interval
D None of these

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