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प्रश्न
Name a colourless cation not a representative element.
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उत्तर
Ammonium ion [NH4]+
संबंधित प्रश्न
Write the probable colour of the following salt:
Calcium salts
Write the probable colour of the following salts:
Calcium carbonate
Name the probable cation present in each of the following solution:
Yellow coloured solution
Name the probable cation present in each of the following solution:
Light blue coloured solution
Write the colour of the following salt : Ferrous salts.
Write the colour of the following salt : Calcium salts.
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 ______.
State what do you observe when:
Lead nitrate and sodium chloride are mixed.
Colour of an aqueous solution of copper sulphate is ______.
