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Question

Define reaction quotient.

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Solution

Reaction quotient:
Reaction quotient 'Q' is defined as the ratio of product of initial concentrations of products to the product of initial concentrations of reactants under non-equilibrium conditions. For example, in the equilibrium.
aA + bB IL + mM
Let, [A], [B], [L] and [M] be the actual concentrations present before the occurance of equilibrium. These concentrations are considered as the non-equilibrium concentration conditions and the reaction quotient 'Q' is given as
Q=[L]1[M]m[A]a[B]b

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