Adding a solution of KSCN to a solution of $F e^{3 +}$ $Fe^{3+}$ salt , forms a blood-red complex. What is that complex $K_3[Fe(SCN)_6] \ or \ Fe[Fe(SCN)_6]$ ?

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Answer 1 · 2018-03-28T20:14:37

Neither.

Iron(III) forms a 1:1 complex:

$sf(Fe^(3+)+SCN^(-)rarr[Fe(SCN)]^(2+))$

Iron(III) thiocyanate.

Adding a solution of KSCN to a solution of Fe^{3+}Fe3+Fe^{3+} salt , forms a blood-red complex. What is that complex K_3[Fe(SCN)_6] \ or \ Fe[Fe(SCN)_6]K_3[Fe(SCN)_6] \ or \ Fe[Fe(SCN)_6] ?