Advertisements
Advertisements
Question
Give one chemical test to distinguish between the following pair of compounds:
Iron (II) chloride solution and iron (III) chloride solution.
Solution
| Iron (II) chloride | Iron (III) chloride |
|
Add sodium hydroxide to the above solution; dirty green ppts are formed. \[\ce{FeCl2 + 2NaOH -> 2NaCl + Fe(OH)2\downarrow}\] |
Add sodium hydroxide to the above solution; reddish brown ppts are observed. \[\ce{FeCl3 + 3NaCl -> 3NaCl + Fe(OH)3\downarrow}\] |
APPEARS IN
RELATED QUESTIONS
_____________ (AgCl / PbCl2), a white precipitate is soluble in excess NH4OH
Name a solution that will separate the component of the following mixture: CuO from ZnO
You are given a mixture of precipitated copper hydroxide and zinc hydroxide. Name a solvent which will dissolve:
Both copper hydroxide and zinc hydroxide
Write balanced equation for a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
What do you understand by amphoteric oxide?
A given white crystalline salt was tested as follows:
The addition of barium chloride solution into this solution gave a white precipitate. What conclusions can be drawn for the observation?
Sodium hydroxide solution is added to solution A. A white precipitate is formed which is insoluble in excess sodium hydroxide solution. What is the metal ion present in solution A?
Write balanced equation for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
Which of the following about oxides is correct?
Write balanced equation for a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
