Question

(a) Write the formula of the following coordination compound : Iron (III) hexacyanoferrate (II)
(b) What type of isomerism is exhibited by the complex `[Co(NH_(3))_(5)Cl]SO_(4)`?
(c) Write the hybridisation and number of unpaired electrons in the complex `[CoF_(6)]^(3-)`.
(Atomic No. of Co = 27)

Answer 1

(a) `Fe_(4)[Fe(CN)_(6)]_(3)` (b) Ionisation isomerism .
(c) `sp^(3)d^(2)` hybridisation , four unpaire delectrons , for details consult table 4 .