All In One ISC Chemistry Class 12>Chapter 9 - Coordination Compounds>Chapter Practice>Q 29

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12th ICSE

IMPORTANT

Earn 100

Square planar complexes of ${MX}_{2} L_{2}$ type with coordination number of $4$ exhibit geometrical isomerism whereas tetrahedral complexes with similar composition do not. Why?

Important Questions on Coordination Compounds

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12th ICSE

IMPORTANT

All In One ISC Chemistry Class 12>Chapter 9 - Coordination Compounds>Chapter Practice>Q 30

Draw the diagram showing splitting of d-orbital in tetrahedral complex.

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12th ICSE

IMPORTANT

All In One ISC Chemistry Class 12>Chapter 9 - Coordination Compounds>Chapter Practice>Q 31

Name the compound

[Fe (H_{2} O)_{5} NO]^{2 +}

and explain the magnetic properties of

[Fe (H_{2} O)_{5} NO]^{2 +}

and oxidation state of iron in this complex.

HARD

12th ICSE

IMPORTANT

All In One ISC Chemistry Class 12>Chapter 9 - Coordination Compounds>Chapter Practice>Q 32

Using valence bond theory, explain the following in relation to the complexes given below :

[Mn (CN)_{6}]^{3 -}, [Cr (H_{2} O)_{6}]^{3 +}

(i) Type of hybridisation
(ii) Magnetic behaviour
(iii) Inner or outer orbital complex

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12th ICSE

IMPORTANT

All In One ISC Chemistry Class 12>Chapter 9 - Coordination Compounds>Chapter Practice>Q 33

Compare the following complexes with respect to structural shapes of units, magnetic behaviour, and hybrid orbitals involved in units:
(i)

[Ni (CN)_{4}]^{2 -}

(ii)

[Ni ({Cl}_{4})]^{2 -}

(iii)

[{CoF}_{6}]^{3 -}

.

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12th ICSE

IMPORTANT

All In One ISC Chemistry Class 12>Chapter 9 - Coordination Compounds>Chapter Practice>Q 34

[Co ({NH}_{3})_{6}]^{3 +}

and

[{CoF}_{6}]^{3 -}

both the complexes contain cobalt in

+ 3

oxidation state, but

[Co ({NH}_{3})_{6}]^{3 +}

is diamagnetic while

[{CoF}_{6}]^{3 -}

is paramagnetic with magnetic moment

4.90 BM

. Explain

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IMPORTANT

All In One ISC Chemistry Class 12>Chapter 9 - Coordination Compounds>Chapter Practice>Q 35

Give detailed description of CFT for different types of ligand and explain how CFT explain colour of coordination compound? Use suitable examples to explain.

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12th ICSE

IMPORTANT

All In One ISC Chemistry Class 12>Chapter 9 - Coordination Compounds>Chapter Practice>Q 36

Explain the hybridisation, geometry, magnetic properties, IUPAC nomenclature and comparative stability of

[Fe (CN)_{6}]^{4 -}

and

[Fe (CN)_{6}]^{3 -}

.

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12th ICSE

IMPORTANT

All In One ISC Chemistry Class 12>Chapter 9 - Coordination Compounds>Chapter Practice>Q 37

Explain that low spin octahedral complexes of nickel are not known.