alleryQ differs from K because the concentrations used in Q are:
ANot at equilibrium
BNot in the equation
CNot of the products
DNot in molar units
Answer & Solution
Correct answer: A. Not at equilibrium
1. Q is defined the same way as the equilibrium constant K.
2. The difference is that the concentrations in Q are not necessarily equilibrium values.
3. So the correct answer is not at equilibrium.
_Source: syllabus Chemistry, Ch 7 'Equilibrium'_
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