Chemistry
State two relevant observations for : ammonium hydroxide soln. is added to zinc nitrate soln. slowly and then in excess.
Related Questions
Copy and complete the following equations.
(a) AlN + H2O ⟶
(b) 2NH3 + 3PbO ⟶
(c) NH3 + 3Cl2 ⟶
(d) NH3 + CO2 ⟶
(i) Which property of ammonia is illustrated by equation (c)?
(ii) What important fertiliser is prepared from equation (d)? State the conditions.
Pick the odd member from the list giving reasons:
(a) Ammonia, sulphur dioxide, hydrogen chloride, carbon dioxide.
(b) Copper oxide, aluminium oxide, sodium oxide, magnesium oxide.
(a) What do you observe when ammonium hydroxide is added to the aqueous solution of :
(i) FeSO4
(ii) Iron (III) chloride.
(iii) Lead nitrate
(iv) Zinc nitrate
(b) Write balanced equation for Q.4(a).
When ammonium hydroxide is added to solution B, a pale blue precipitate is formed. This pale blue precipitate dissolves in excess ammonium hydroxide giving an inky blue solution. What is the cation (positive ion) present in solution B? What is the probable colour of solution B.