Virtual Labs

a: Potassium permanganate b: Silver nitrate c: Sodium hydroxide d: Barium chloride

a: Methyl orange b: Phenolphthalein c: Potassium chromate d: Congo red

a: Colorless to pink b: Yellow to red-brown precipitate c: Blue to green d: Colorless to blue

a: AgCl b: Ag₂CrO₄ c: AgOH d: Ag₂SO₄

a: It reacts with chloride ions b: It forms a colored precipitate with silver ions c: It acts as a buffer d: It removes turbidity

a: Strongly acidic (<3) b: Neutral to slightly alkaline (6–10) c: Strongly alkaline (>12) d: Any pH

a: AgCl precipitate dissolves b: Indicator changes color too late c: No reaction occurs d: Red-brown precipitate forms immediately

a: Brick-red precipitate disappears b: The solution becomes turbid c: End point is overshot d: Chloride content is underestimated

a: Calcium b: Bromide c: Nitrate d: Sodium

a: 53.3 mg/L b: 106.6 mg/L c: 200 mg/L d: 213 mg/L

Determination of chloride content in water by Mohr’s method