Question

what is common ion effect

Answer 1

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The common ion effect is responsible for the reduction in the solubility of anionic precipitate when a soluble compound containing one of the ionsof the precipitate is added to the solution in equilibrium with the precipitate.

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Answer 2

$\mathcal\red{Common\:Ion\:Effect:-}$

The degree of dissociation of an electrolyte (weak) is suppressed by the addition of another electrolyte (strong) containing a common ion. This is termed as common ion effect.

→ As a result of common ion effect, the concentration of the ion not in common in two electrolytes, is decreased.

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