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प्रश्न
Colour of the precipitate formed on adding NaOH solution to iron (II) sulphate solution is ______.
विकल्प
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.
\[\ce{\underset{(Dirty Green , (Colourless) gelatinous ppt.)}{FeSO4 + 2NaOH -> Fe(OH)2} + Na2SO4}\]
संबंधित प्रश्न
Name a colourless cation not a representative element.
Write the probable colour of the following salts:
Calcium carbonate
Name the probable cation present in each of the following solution:
Light blue coloured solution
Name the probable cation present in each of the following solution:
Pink coloured solution
Write the colour of the following salt : Ferrous salts.
Fill in the blanks.
Salts of ______ [normal / transition] elements are generally coloured. From the ions K1+, Cr3+, Fe2+, Ca2+, \[\ce{SO^2-_3}\], \[\ce{Mn^1-_4}\],\[\ce{NO^1_3}\] the ions generally coloured are ______.
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'.
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'.
Sodium sulphate solution and sodium chloride solution.
Write balanced equation for the following reaction:
Sulphur dioxide and sodium hydroxide solution
(Give the equation for the formation of the normal salt)
| 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.
