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level: WHITE LOTION EXPERIMENT

Questions and Answers List

level questions: WHITE LOTION EXPERIMENT

QuestionAnswer
White lotion is composed of1 Sulfurated potash 2 Zinc sulfate
Synonyms of White Lotion1 Lotion alba 2 Lotion sulfurata
Chemical Reaction in the Preparation for White LotionZnSO4 + K2S3 → ZnS + 2S + K2SO4
Physical TestColor: White Odor: Sulfuric Smell Physical Appearance: Aqueous / Semi-aqueous and Low viscosity
White lotion reacts with Sodium cobalt nitrite (Test for Potassium Ions)Na3Co(NO2)6 (aq) + K2SO4(aq) + H2O → :K2Na[Co(NO2)6]·H2O (s) + Na2SO4 (aq) Precipitate: Potassium sodium cobalt nitrite Color of precipitate: Yellow precipitate (Potassium ions)
White lotion Test for Sulfide ionA) White Lotion and Sulfuric is added and produces BLACK color precipitate Product formed: Lead sulfide (Black precipitate) 2 Sodium nitroprusside (Violet / Purple color) B) If Sodium nitroprusside is added, the color changes into violet or purple Formula: S2−+Na2[Fe(CN)5NO]⟶Na2[Fe(CN)5NOS]2-
White lotion Test for Zinc ionA) When Ammonium sulfide and White lotion reacts, White precipitate forms B) Zinc + acetic acid produces white precipitate C) When Hydrochloric acid is added to white precipitate, Precipitate dissolves
Potassium flame testLilac color