The precipitate of ( ) is obtained when equal volumes of the following are mixed :

CHEMISTRY · Single correct · AP · Chemistry · Equilibrium · Equilibrium

Problem

The precipitate of

\text{CaF}_2

(

K_{sp} = 1.7 \times 10^{-10}

) is obtained when equal volumes of the following are mixed : (1)

10^{-4} M \text{Ca}^{2+}

and

10^{-4} M \text{F}^-

(2)

10^{-2} M \text{Ca}^{2+}

and

10^{-3} M \text{F}^-

(3)

10^{-5} M \text{Ca}^{2+}

and

10^{-3} M \text{F}^-

(4)

10^{-3} M \text{Ca}^{2+}

and

10^{-5} M \text{F}^-