Equilibrium Question 854

Question: Solid AgNO3 is slowly added to a solution containing each of 0.01M NaCl and 0.001 M NaBr. What will be the concentration of C ions in solution when AgBr will just start to precipitate- Ksp(AgBr)=3.6×1013,Ksp(AgCl)=1.8×1010.

Options:

A) 1.8×107

B) 3.6×1010

C) 0.01

D) 2×104

Show Answer

Answer:

Correct Answer: C

Solution:

Ksp(AgBr)<Ksp(AgCl) Therefore, AgBr will precipitate first and at that time all Cl will be present.



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