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

HARD

12th ICSE

IMPORTANT

Earn 100

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

Important Questions on Coordination Compounds

HARD

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

HARD

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 -}

.

HARD

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

HARD

12th ICSE

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.

HARD

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 -}

.

HARD

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.

MEDIUM

12th ICSE

IMPORTANT

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

Explain that

CO

is a stronger ligand than

{NH}_{3}

for many metals.