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प्रश्न
Write balanced equation for the following reaction:
Iron(II) chloride solution with sodium hydroxide solution.
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उत्तर
\[\ce{FeCl2 +2NaOH -> Fe(OH)2 + 2NaCI}\]
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संबंधित प्रश्न
Write the probable colour of the following salt:
Aluminium Salts
Name the probable cation present based on the following observation:
Blue coloured solution.
Name the probable cation present in each of the following solution:
Light blue coloured solution
A metal whose alloy finds use in the construction of aircrafts in the powdered form is added to sodium hydroxide solution. A colourless gas was evolved and after reaction was over, the solution was colourless.
(a) Name the powdered metal added to sodium hydroxide solution.
(b) Name the gas evolved.
(c) Name the salt present in the colorless solution.
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'.
Colour of an aqueous solution of copper sulphate is ______.
Colour of the precipitate formed on adding NaOH solution to iron (II) sulphate solution is ______.
A metal which produces hydrogen on reacting with alkali as well as with acid.
| 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.
