Q. One dm3 solution containing 10-5 moles each of Cl- ions and CrO ions is treated with 10-4 mole of silver nitrate. Which one of the following observations is made?[KSP Ag2 CrO4, = 4 X 10-12][KSP AgCl = 1 x10-10]

1. Silver chloride gets precipitated first.
2. Both silver chromate and silver chloride start precipitating simultaneously.
3. Precipitation does not occur.
4. Silver chromate gets precipitated first.