1.

Which of the following statement(s) is(are) correct with reference to the ferrous and ferric ions [IIT 1998]

A. \[F{{e}^{3+}}\] gives brown colour with potassium ferricyanide
B. \[F{{e}^{2+}}\]gives blue precipitate with potassium ferricyanide
C. \[F{{e}^{3+}}\] gives red colour with potassium thiocyanate
D. \[F{{e}^{2+}}\] gives brown colour with ammonium thiocyanate
Answer» C. \[F{{e}^{3+}}\] gives red colour with potassium thiocyanate


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