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प्रश्न
| 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.
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उत्तर
- Nitrogen dioxide
- Lead ions
- Lead nitrate
संबंधित प्रश्न
Write the probable colour of the following salt:
Ferrous salts
Write the probable colour of the following salt:
Cupric salts
Write the probable colour of the following salt:
Calcium salts
Write the probable colour of the following salt:
Ferrous sulphate
Name the probable cation present in each of the following solution:
Pink coloured solution
Write the colour of the following salt : Ferric salts.
On adding dilute ammonia solution to a colourless solution of a salt, a white gelatinous precipitate appears. This precipitate however dissolves on addition of excess of ammonia solution. Identify (Choose from Na, l, Zn, Pb, Fe)
(a) Which metal salt solution was used?
(b) What is the formula of white gelatinous precipitate obtained?
Write balanced equation for the following reaction:
Chlorine and cold dilute sodium hydroxide solution.
Write balanced equation for the following reaction:
Sulphur dioxide and sodium hydroxide solution
(Give the equation for the formation of the normal salt)
Colour of an aqueous solution of copper sulphate is ______.
