JEE Main Chemistry question

Solubility product of silver bromide is . The quantity of potassium bromide (molar mass taken as 120 g mol) to be added to 1 L of 0.05 M solution of silver nitrate to start the precipitation of AgBr is [AIEEE 2010]

• (A) g
• (B) gCorrect
• (C) g
• (D) g