Qualitative Analysis - Result Question 77

####80. Explain the following in not more than two sentences. A solution of FeCl3 in water gives a brown precipitate on standing.

(1980, 1M)

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Solution:

  1. FeCl3 is a salt of strong acid and weak base. In water, it hydrolyses slowly producing brown ppt of Fe(OH)3.

FeCl3+3H2O3HCl+Fe(OH)3 Brown 



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