Interpretation:
The option which is the proper description of
Concept Introduction:
The concentrations of all reactants and products remain constant in equilibrium but not necessarily equal.
The rates of the forward and back ward reaction are same. The amounts of both reactants and products are not same in equilibrium.
Answer to Problem 1PQ
The correct option is option (D).
Explanation of Solution
Reason for correct option:
The rates of the forward and back ward reaction are same. This means reactant molecules react to form products as fast as product molecules are reacting to form reactants.
Therefore, the correct option is option (D).
Reason for incorrect options:
The concentrations of all reactants and products remain constant in equilibrium but not necessarily identical.
The velocities of product and reactant molecules are not necessarily identical and also their collision frequencies need not to be identical.
Therefore, option (A), (B), and (C) are incorrect options.
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