Question

A precipitate of Ca{{F}_{2}}\,\,({{K}_{sp}}=1.7\times {{10}^{-10}})
will be obtained when equal volume of the following are mixed [MP PMT 1990, 95; IIT 1982; MNR 1992]
A) {{10}^{-4}}M\,C{{a}^{2+}}
and {{10}^{-4}}M\,{{F}^{-}} B) {{10}^{-2}}M\,C{{a}^{2+}}
and {{10}^{-3}}M\,{{F}^{-}} C) {{10}^{-5}}M\,C{{a}^{2+}}
and {{10}^{-4}}M\,{{F}^{-}} D) {{10}^{-3}}M\,C{{a}^{2+}}
and {{10}^{-4}}M\,{{F}^{-}}

Answer 1

hey dear in the above question which you asked the answer is option C