Chemistry, asked by sohankrmkr, 3 months ago

why the solution is made alkaline with Ammonia in the limit of test of iron​

Answers

Answered by bhimacharan92
4

Answer:

Ferrous thioglycollate complex is colorless in acidic or neutral solutions. Only in the presence of alkali pale pink color will be produced. citric acid forms ammonium citrate buffer when ammonia is added to make alkaline which in turn stabilizes the complex formed.

Answered by cutebrainlystar
1

Explanation:

Ferrous thioglycollate complex is colorless in acidic or neutral solutions. Only in the presence of alkali pale pink color will be produced. citric acid forms ammonium citrate buffer when ammonia is added to make alkaline which in turn stabilizes the complex formed.

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