A) common ion effect
B) solubility product
C) valency of radicals
D) strength of salt
Correct Answer: B
Solution :
Basic radicals have been classified into six groups on the basis of the solubility product of their salt with group reagent. The radicals have been grouped in the order of increasing solubility product. This is the reason why \[NiC{{l}_{2}}\] does not precipitate with 1st group chlorides or \[Zn{{(OH)}_{2}}\] does not precipitate with \[Al{{(OH)}_{3}}\] in IIIrd group.
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