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प्रश्न
Colour of the precipitate formed on adding NaOH solution to iron (II) sulphate solution is ______.
पर्याय
White
Brown
Green
Pale blue
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उत्तर
Colour of the precipitate formed on adding NaOH solution to iron (II) sulphate solution is green.
\[\ce{\underset{(Dirty Green , (Colourless) gelatinous ppt.)}{FeSO4 + 2NaOH -> Fe(OH)2} + Na2SO4}\]
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संबंधित प्रश्न
Write the probable colour of the following salt:
Ferrous salts
Write the probable colour of the following salt:
Calcium salts
Write the probable colour of the following salt:
Iron (III) chloride
Name the probable cation present based on the following observation:
Blue coloured solution.
Name the probable cation present in each of the following solution:
Pink coloured solution
Write the colour of the following salt : Ferric salts.
One chemical test that would enable you to distinguish between the following pair of chemicals. Describe what happens with each chemical or state 'no visible reaction'.
Write balanced equation for the following reaction:
Chlorine and cold dilute sodium hydroxide solution.
Name the probable cation present based on the following observation:
White precipitate insoluble in NH4OH but soluble in NaOH.
| Abhishek was given a salt ‘X’ which was white in colour for analysis. On strong heating, it produced a yellow residue, a colourless gas and also a reddish-brown gas. The solution of the salt ‘X’, when tested with an excess of ammonium hydroxide, produced a chalky white insoluble precipitate. |
- Name the coloured gas that evolved when Abhishek heated the salt strongly.
- Which cation was present in the sample given to Abhishek?
- Identify the salt given to Abhishek for analysis.
