Precipitate of Ca{F₂} ({K_{sp}} = 1.7 × {10^{ - 10}}) is obtained when equal volumes of following

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6-2.Equilibrium-II (Ionic Equilibrium)

hard

The precipitate of $Ca{F_2}$$({K_{sp}} = 1.7 \times {10^{ - 10}})$ is obtained when equal volumes of the following are mixed

A

${10^{ - 4}}\,M\,C{a^{2 + }} + {10^{ - 4}}\,M\,{F^ - }$

B

${10^{ - 2}}\,M\,C{a^{2 + }} + {10^{ - 3}}\,M\,{F^ - }$

C

Both

D

None of these

(IIT-1992)

Solution

(b) When ionic product is greater than ${K_{sp}}$ then precipitation occur

${K_{sp}} < {10^{ – 2}}\,M\,\,C{a^{2 + }} + {10^{ – 3}}\,M\,\,{F^ – }$

Standard 11

Chemistry

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