Chemistry
To a salt solution 'Y' a small quantity of NH4OH solution is added slowly and then in excess. A pale blue precipitate is formed which dissolves in excess to form a clear inky blue solution. Identify the positive ion in the salt 'Y'
Related Questions
State two relevant observations for the reaction:
Ammonium hydroxide solution is added to copper (II) nitrate solution in small quantities and then in excess.
State your observation: When excess sodium hydroxide is added to calcium nitrate solution.
State your observations when ammonium hydroxide solution is added drop by drop and then in excess to each of the following:
(i) copper sulphate solution
(ii) zinc sulphate solution.
State one relevant observation – Action of sodium hydroxide solution on iron [II] sulphate solution.