JEE Mains Model Paper 19

Question : 68 of 90

Marks: +1, -0

Solubility product of silver bromide is 5.0 × 10−13. The quantity of potassium bromide(molar mass taken as 120 g / mol) to be added to 1 litre of 0.05 M solution of silver nitrate to start theprecipitation of AgBr is