Equilibrium Question 274

Question: A precipitate of CaF2(Ksp=1.7×1010) will be obtained when equal volume of the following are mixed [MP PMT 1990, 95; IIT 1982; MNR 1992]

Options:

A) 104M,Ca2+ and 104M,F

B) 102M,Ca2+ and 103M,F

C) 105M,Ca2+ and 104M,F

D) 103M,Ca2+ and 104M,F

Show Answer

Answer:

Correct Answer: B

Solution:

[Ca2+][F]2=[102×V2V]×[103×V2V]2

=1.25×109 .



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