6-2.Equilibrium-II (Ionic Equilibrium)
medium

$Ca{F_2}$ ની દ્રાવ્યતા $2 \times {10^{ - 4}}\,moles/litre$ છે, તેનો દ્રાવ્યતા ગુણાકાર $({K_{sp}})$ ....... છે

A

$2.0 \times {10^{ - 4}}$

B

$4.0 \times {10^{ - 3}}$

C

$8.0 \times {10^{ - 12}}$

D

$3.2 \times {10^{ - 11}}$

(AIPMT-1999)

Solution

(d) ${K_{sp}}$ for $Ca{F_2} = 4{s^3}$ $ = 4 \times {[2 \times {10^{ – 4}}]^3} = 3.2 \times {10^{ – 11}}$.

Standard 11
Chemistry

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