A reddish brown sol (containing Fe3+) is obtained by:

Reddish brown sol is prepared by adding FeCl3 in Fe(OH)3 precipitate.

Surface ChemistryHard

Question

A reddish brown sol (containing Fe³⁺) is obtained by:

A.the addition of small amount of FeCl₃ solution to freshly prepared Fe(OH)₃ precipitate

B.the addition of Fe(OH)₃ to freshly prepared FeCl₃ solution

C.the addition of NH₄OH to FeCl₃ solution dropwise

D.the addition of NaOH to FeCl₃ solution dropwise

Reddish brown sol is prepared by adding FeCl₃ in Fe(OH)₃ precipitate.

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