What color precipitate does bromide ion form when AgNO3 is added?

When silver nitrate (AgNO3) is added to a solution containing bromide ions (Br⁻), a cream-colored precipitate of silver bromide (AgBr) forms. This occurs because silver ions (Ag⁺) react with bromide ions to create AgBr, which is only slightly soluble in water.

The formation of the cream-colored precipitate is characteristic of the reaction between Ag⁺ ions and Br⁻ ions. In contrast, when AgNO3 is added to chloride ions (Cl⁻), a white precipitate of silver chloride (AgCl) is produced, and when added to iodide ions (I⁻), a yellow precipitate of silver iodide (AgI) is formed. Therefore, the unique color of the precipitate formed with bromide ions distinctly identifies the bromide ion, which is why the cream color is the correct answer.