Equilibrium NDA Questions

NDA Chemistry

Equilibrium MCQ Questions


13.
If the volume of a gaseous equilibrium system is reduced, the equilibrium will shift to__________
A.
The side with more moles of gas
B.
The side with fewer moles of gas
C.
The left side
D.
The right side
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ANSWER :
B. The side with fewer moles of gas
14.

The equilibrium constant for the dissociation of H2OH_2OH2​O is very small, which indicates__________

A.

High concentration of products

B.

Low concentration of products

C.

High concentration of reactants

D.

Low concentration of reactants

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ANSWER :

C. High concentration of reactants

15.
The concentration of reactants and products in an equilibrium system will__________
A.
Never change
B.
Change over time
C.
Eventually stabilize
D.
Always increase
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ANSWER :
C. Eventually stabilize
16.
A catalyst affects the equilibrium of a reaction by__________
A.
Increasing the reaction rate
B.
Shifting the equilibrium
C.
Changing the equilibrium constant
D.
Decreasing the reaction rate
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ANSWER :
A. Increasing the reaction rate
17.
The rate of forward reaction is two times that of the reverse reaction at a given temperature and identical concentration, k(equilibrium) is _________
A.
0.5
B.
1
C.
1.5
D.
2
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ANSWER :
D. 2
18.
Laws of thermodynamics system are in ______________ from one equilibrium state to another equilibrium state.
A.
Equilibrium or Moves
B.
Equilibrium or Executive
C.
Equilibrium or Upper
D.
Equilibrium or Lower
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ANSWER :
A. Equilibrium or Moves