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प्रश्न
The salt which in solution gives a pale green precipitate with sodium hydroxide solution and a white precipitate with barium chloride solution is ______.
विकल्प
Iron (III) sulphate
Iron (II) sulphate
Iron (II) chloride
Iron (III) chloride
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उत्तर
The salt which in solution gives a pale green precipitate with sodium hydroxide solution and a white precipitate with barium chloride solution is Iron (II) sulphate.
संबंधित प्रश्न
You are provided with two reagent bottles marked A and B. One of which contains NH4OH solution and the other contains NaOH solution. How will you identify them by a chemical test?
What do you understand by the following:
Analysis
What do you understand by the following:
Qualitative analysis
Identify the substance ‘R’ based on the information given below:
The pale green solid ‘R’ turns reddish brown on heating. Its aqueous solution gives a white precipitate with barium chloride solution. The precipitate is insoluble in mineral acids.
Fill in the blank.
Potassium sulphite on reacting with hydrochloric acid releases ________
Sodium hydroxide solution is added first in a small quantity, then in excess to the aqueous salt solution of copper (II) sulphate, zinc nitrate, lead nitrate, calcium chloride and iron (III) sulphate. Copy of the following table and write the colour of the precipitate in (i) to (v) and the nature of the precipitate (soluble or insoluble) in (vi) to (x).
|
Aqueous salt solution |
Colour of the precipitate when NaOH is added in small quantity |
Nature of the(soluble or insoluble) when NaOH is added in excess |
|
copper (II) sulphate zinc nitrate lead nitrate calcium chloride Iron (III) sulphate |
(i) (ii) (iii) (iv) (v) |
(vi) (vii) (viii) (ix) (x) |
Write balanced equation for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
Write balanced equations for a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
Write balanced equation:
Copper sulphate solution with ammonium hydroxide solution.
Write balanced equations for a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
