MEDIUM
12th Maharashtra Board
IMPORTANT
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What are ionisation isomers? give an example.

Important Questions on Coordination Compounds

HARD
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 9 - Coordination Compounds>Exercises>Q 3
What are the high-spin and low-spin complexes? 
HARD
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 9 - Coordination Compounds>Exercises>Q 3
CoCl42- is a tetrahedral complex. Draw its box orbital diagram. State which orbitals participate in hybridisation.
MEDIUM
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 9 - Coordination Compounds>Exercises>Q 3
What are strong field and weak field ligands? Give an example of each type.
HARD
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 9 - Coordination Compounds>Exercises>Q 3
With the help of crystal field energy level diagram, explain why the complex Cren33+ is coloured?
HARD
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 9 - Coordination Compounds>Exercises>Q 4
Give valence bond description for the bonding in the complex VCl4-. Draw box diagrams for free metal ion. Which hybrid orbitals are used by the metal ion? State the number of unpaired electrons.
HARD
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 9 - Coordination Compounds>Exercises>Q 4
Draw qualitatively energy level diagram showing d-orbital splitting in the octahedral environment. Predict the number of unpaired electrons in the complex FeCN64-. Is the complex diamagnetic or paramagnetic? Is it coloured? Explain.
HARD
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 9 - Coordination Compounds>Exercises>Q 4

Draw cis-trans isomers of the following complex:

PtNH32ClNO2

HARD
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 9 - Coordination Compounds>Exercises>Q 4

Draw cis-trans isomers of the following complex:

RuNH34Cl2