Answer the following question. Draw a qualitatively energy-level diagram showing d-orbital splitting in the octahedral environment. Predict the number of unpaired electrons in the complex . - Chemistry

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Answer in Brief

Answer the following question.

Draw a qualitatively energy-level diagram showing d-orbital splitting in the octahedral environment. Predict the number of unpaired electrons in the complex [Fe(CN)6]4-. Is the complex diamagnetic or paramagnetic? Is it coloured? Explain.

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Solution

i. Diagram:

ii. There are no unpaired electrons in t2g orbital; hence, the complex is diamagnetic.

iii. In the complex, d-d transitions do not occur and hence, it is colourless.

Concept: Theories of Bonding in Complexes
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Chapter 9: Coordination Compounds - Exercises [Page 208]

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Balbharati Chemistry 12th Standard HSC for Maharashtra State Board
Chapter 9 Coordination Compounds
Exercises | Q 4.2 | Page 208

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