A solution that contains a system at equilibrium is the one in which there is no change in color
The following information should be considered:
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In the case when the color of the solution changes slowly so it means that the equilibrium shifts towards the right direction.
- This happens at the time when we add the reactant and the equilibria that move towards the right i.e. away form the reactant rise the product formation.
- However, when there is no change in color so it means the reaction is constant or same
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