Question

what happens when ammonia solution is added first dropwise and then in excess to (1) lead nitrate solution (2) copper sulphate solution
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Answer 1

Explanation:

 answer

 answerAmmonium hydroxide is added first in a small quantity and then in excess to a solution ... When NH4OH solution is added drop by drop to copper sulphate solution a pale ... Class 8 Chemistry Chapter 1 ... H2 SO4.

Answer. We know that ammonia solution is ammonium hydroxide. When added in small quantity(dropwise), a reddish-brown precipitate of Fe(OH)3 is formed. This precipitate is insoluble in excess of ammonia solution.Answer. On adding little ammonia solution on copper sulphate solution, we get a pale blue precipitate of copper hydroxide. ... The above complex salt is called copper tetrammene sulphate, which is a deep blue solution.