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Coordination Chemistry - SS2 Chemistry Past Questions and Answers - page 3

21

Which of the following coordination compounds represents a geometric isomer of [Pt(NH3)2Cl2]?

 

A

[Pt(NH3)2Br2]

 

B

[Pt(NH3)2I2]

 

C

[Pt(NH3)2(CO)2]

 

D

[Pt(NH3)2(C2H4)2]

22

The compound [Ni(en)2Cl2] represents an example of a:

 

A

Chelate complex

 

B

Bridging complex

 

C

Linear complex

 

D

Cis-trans isomer

23

Which of the following represents the coordination number of [Cr(NH3)6]3+?

 

A

4

 

B

5

 

C

6

 

D

7

24

The coordination compound [Co(NH3)3Cl3] exhibits:

 

A

Geometric isomerism

 

B

Optical isomerism

 

C

Ligand isomerism

 

D

Ionisation isomerism

25

Explain the nomenclature rules for naming coordination compounds. Discuss the importance of systematic naming and provide examples illustrating the application of nomenclature rules.

26

Discuss the different types of isomerism observed in coordination compounds. Explain the concept of geometric isomerism, linkage isomerism, and optical isomerism. Provide examples illustrating each type of isomerism.

27

Which of the following statements best describes the bonding in coordination compounds?

 

A

The central metal ion donates electrons to the ligands.

 

B

The ligands donate electrons to the central metal ion.

 

C

The bonding in coordination compounds does not involve electron transfer.

 

D

Both the central metal ion and the ligands donate electrons.

28

Which of the following factors contributes to the stability of coordination compounds?

 

A

Coordination number of the central metal ion.

 

B

Charge on the central metal ion.

 

C

Size of the ligands.

 

D

All of the above.

29

The stability of a coordination compound is influenced by:

 

A

Chelate effect.

 

B

Crystal field splitting.

 

C

Ligand field strength.

 

D

All of the above.

30

Which of the following ligands is likely to form a more stable coordination complex?

 

A

Weak-field ligand.

 

B

Strong-field ligand.

 

C

Monodentate ligand.

 

D

Ambidentate ligand.

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