NEET-XII-Chemistry
Previous Year Paper year:2017
- #9Concentration of the ``Ag^+`` ions in a saturated
solution of ``Ag_2C_2O_4`` is 2.2 × ``10^{-4}`` mol ``L^{-1}``.
Solubility product of ``Ag_2C_2O_4`` is :
(1) 5.3 × ``10^{-12}``
(2) 2.42 × ``10^{-8}``
(3) 2.66 × ``10^{-12}``
(4) 4.5 × ``10^{-11}``digAnsr: 1Ans : (1)
Sol. Ag2C2O4
s2
Ag2 + +
s
OC 2-42
2s = 2.2 × 10-4
s = 1.1 × 10-4
Ksp = 4s3 = 4 × (1.1 × 10-4)3
= 4 × (1.1)3 × 10-12
= 5.324 × 10-12 M3