NTA Abhyas NEET2020ChemistryIonic EquilibriumPractice
The solubility product of A g C l is 1.8 × 10 – 10 . Precipitation of A g C l will occur only when equal volumes of which of the following solutions are mixed?
Options
- A10 – 4 M A g + and 10 – 4 M C l –
- B10 – 7 M A g + and 10 – 7 M C l –
- C10 – 5 M A g + and 10 – 5 M C l –
- D10 – 10 M A g + and 10 – 10 M C l –
Correct answer
A. 10 – 4 M A g + and 10 – 4 M C l –
Step-by-step solution
After mixing, A g + = 1 2 × 10 – 4 = 5 × 10 – 5 M C l – = 1 2 × 10 – 4 = 5 × 10 – 5 M Q sp = Ag + Cl – = 5 × 10 – 5 2 = 2.5 × 10 – 9 Since, Q sp > K sp → precipition takes place