+1 vote
in Chemistry by kratos

State your observations when ammonium hydroxide solution is added drop by drop and then in excess to each of the following solutions:

(1) copper sulphate solution

(2) zinc sulphate solution

1 Answer

+1 vote
by kratos
 
Best answer

Pale blue precipitates are formed and then these precipitates dissolve in excess of ammonium hydroxide to form deep blue solution.

When ammonium hydroxide is added drop by drop white gelatinous precipitate of zinc hydroxide is formed and on adding excess of ammonium hydroxide colourless solution is formed.

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