Doubt by RAVI KUMAR JHA
16. Among the following, which has minimum solubility in water? (a) KOH (b) CsOH (c) LiOH (d) RbOH
Sir the answer is C. But it should be B, as exception in 1st group is only for Fluorides and carbonates.
In other cases solubility decreases down the group as mentioned by you.
kindly clear
Answers
Answer by nitesh chaudhary
Alkali metal hydroxides are considered as the strongest base in aq. solution.The strength of hydroxides increases LiOH to CsOH.However the solubility of alkali hydroxides in water increases on descending the group,LiOH is mush less soluble,which is due to the anomalous behaviour shown by Li from rest of the family members.
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