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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 ______.
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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:
Ammonium 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 : Ferrous salts.
Write the colour of the following salt : Ferric salts.
Write the colour of the following salt : Calcium 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'.
Sodium sulphate solution and sodium chloride solution.
State what do you observe when:
Lead nitrate and sodium chloride are mixed.
The questions (i) to (v) refer to the following salt solutions listed A to F:
- Copper nitrate
- Iron (II) sulphate
- Iron (III) chloride
- Lead nitrate
- Magnesium sulphate
- Zinc chloride
- Which two solutions will give a white precipitate when treated with dilute hydrochloric acid followed by barium chloride solution?
- Which two solutions will give a white precipitate when treated with dilute nitric acid followed by silver nitrate solution ?
- Which solution will give a white precipitate, when either dilute hydrochloric acid or dilute sulphuric acid is added to it?
- Which solution becomes a deep/inky blue colour when excess of ammonium hydroxide is added to it ?
- Which solution gives a white precipitate with excess ammonium hydroxide solution?
Name :
a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
