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प्रश्न
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 ______.
उत्तर
Salts of 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 Cr3+, Fe2+, MnO44-.
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संबंधित प्रश्न
Write the probable colour of the following salt:
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Write the probable colour of the following salt:
Aluminium acetate
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Yellow 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.
Write the colour of the following salt : Calcium 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:
Iron(II) chloride solution with sodium hydroxide solution.
Write balanced equation for the following reaction:
Chlorine and cold dilute sodium hydroxide solution.
| 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.
