Coordination Compounds

Coordination Compounds

Question

Write the state of hybridization, the shape and the magnetic behaviour of the following complex entities:

(i) [Cr (NH3)4 Cl2] Cl

(ii) [Co (en) 3] Cl3

(iii) K2 [Ni (CN) 4]

Answer

(i) [Cr (NH3)4 Cl2]Cl

Name - Tetraamminedichloridochromium (III) chloride

Stereochemistry - Shows geometric isomerism and the cis form is optically active

Magnetic behaviour - Paramagnetic

(ii) [Co (en3)]Cl3                                   

Name -tris (ethane-1, 2-diamine) cobalt (III) chloride

Stereochemistry -Shows optical isomerism

Magnetic behaviour - Paramagnetic

(iii) K2 [Ni (CN) 4]

Name -Potassium tetracyano nickelate (II)

Stereochemistry - Does not show geometric or optical isomerism

Magnetic behaviour - Diamagnetic

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