# Dynamic equilibrium

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#1
If dynamic equilibrium is defined as when the forward rate=the backward rate then how there be different concentrations of products and reactants?
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6 months ago
#2
Forward reaction and backward reaction have different rate constants
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#3
(Original post by golgiapparatus31)
Forward reaction and backward reaction have different rate constants
If the forward and backward reactions have different rate constants then how is dynamic equilibrium defined as when the forward rate is equal to the backward rate?
0
6 months ago
#4
(Original post by shivsaransh1)
If the forward and backward reactions have different rate constants then how is dynamic equilibrium defined as when the forward rate is equal to the backward rate?
For an equilibrium A <==> B

The rate(forwards) = kf[A] and the rate(backwards) = kb[B], where kf, and kb are the forward and backward rate constants

Therefore as rate(forwards) = rate(backwards)

kf[A] = kb[B]

Hence if kf does not equal kb, then the two concentrations are not equal.
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