Coordination Chemistry

Ligands and Complexes MCQs with Answers

Welcome to the Ligands and Complexes MCQs with Answers, it helps learners quickly identify areas for improvement in Ligands and Complexes Online Test.

Ligands and complexes are central to the study of coordination chemistry, where ligands are ions or molecules that donate electron pairs to a central metal atom or ion to form a complex. The nature of these ligands—whether they are monodentate (binding through a single atom) or polydentate (binding through multiple atoms)—influences the properties and stability of the resulting complex.

For students, Ligands and Complexes MCQs (multiple choice questions) are essential for testing understanding of these concepts. Coordination Chemistry Ligands MCQs often cover the identification of different ligands, their denticity, and their effects on the properties of complexes.

Complex Compounds Multiple Choice Questions typically focus on the formation, nomenclature, and stability of coordination complexes. Chelating Ligands MCQs are particularly important as they delve into the specifics of ligands that form rings by binding to the metal through multiple atoms, significantly increasing complex stability.

Coordination Number MCQs are vital for understanding how the number of ligand donor atoms attached to a central metal ion influences the geometry and reactivity of the complex. Additionally, Ligand Isomerism Questions explore the various ways ligands can arrange themselves around a central metal, leading to different isomers with unique properties.

Engaging with these MCQs and questions helps students and professionals deepen their grasp of coordination chemistry, preparing them for exams and practical applications in the field.

Ligands and Complexes Online Quiz

By presenting 3 options to choose from, Ligands and Complexes Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Ligands and Complexes Questions and Answers and click over the correct answer.

  • Test Name: Ligands and Complexes MCQ Quiz Practice
  • Type: Quiz Test
  • Total Questions: 40
  • Total Marks: 40
  • Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure High Marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quiz, simply click on question and comment below that question, so that we can update the answer in the quiz section.

Ligands and Complexes MCQs

Ligands and Complexes

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1 / 40

What is the shape of [Co(NH3)6]3+?

2 / 40

Which type of ligand is ethylenediamine?

3 / 40

What is the role of ligands in a coordination complex?

4 / 40

What is the oxidation state of iron in [Fe(CN)6]3-?

5 / 40

What is the shape of [Cu(NH3)4]2+?

6 / 40

What is the geometry of [Ni(NH3)6]2+?

7 / 40

What is the charge on the complex ion [Cu(NH3)4]2+?

8 / 40

Which of the following ligands is negatively charged?

9 / 40

Which ligand can form a six-membered ring with a metal ion?

10 / 40

What type of complex is formed when a ligand donates a pair of electrons to a metal?

11 / 40

What is a ligand?

12 / 40

What is the geometry of [Zn(NH3)4]2+?

13 / 40

What is the charge on the complex ion [Fe(CN)6]4-?

14 / 40

What is the coordination number of manganese in [Mn(CN)6]3-?

15 / 40

What is the coordination number of chromium in [Cr(NH3)6]3+?

16 / 40

Which type of ligand can form multiple bonds with a metal ion?

17 / 40

What is a complex ion?

18 / 40

What is the coordination number of cobalt in [Co(NH3)6]3+?

19 / 40

Which of the following ligands is a strong field ligand?

20 / 40

Which of the following is a polydentate ligand?

21 / 40

Which ligand forms a chelate with a metal ion?

22 / 40

What is the geometry of [Fe(CN)6]4-?

23 / 40

What is a chelate?

24 / 40

Which ligand is a weak field ligand according to the spectrochemical series?

25 / 40

Which ligand is known for forming very stable complexes with metal ions?

26 / 40

Which of the following is a bidentate ligand?

27 / 40

Which of the following is a tridentate ligand?

28 / 40

What is the coordination number of palladium in [PdCl4]2-?

29 / 40

What is the role of a central metal ion in a complex?

30 / 40

What is the oxidation state of platinum in [PtCl6]2-?

31 / 40

Which ligand can form a five-membered ring with a metal ion?

32 / 40

What is the coordination number?

33 / 40

Which ligand is monodentate?

34 / 40

What is the coordination number of nickel in [Ni(CO)4]?

35 / 40

Which of the following ligands is neutral?

36 / 40

Which of the following is a hexadentate ligand?

37 / 40

What is the oxidation state of iron in [Fe(CO)5]?

38 / 40

What is the oxidation state of cobalt in [Co(CN)6]3-?

39 / 40

Which ligand can act as a bridging ligand?

40 / 40

What is the geometry of the complex [PtCl4]2-?

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Ligands and Complexes Flashcards

What is a ligand?

A molecule that donates a pair of electrons to a metal ion

Which type of ligand can form multiple bonds with a metal ion?

Polydentate

What is the coordination number?

The number of ligand atoms bonded to the central metal

Which ligand is monodentate?

Ammonia

What type of complex is formed when a ligand donates a pair of electrons to a metal?

Coordination complex

What is the charge on the complex ion [Fe(CN)6]4-?

-4

Which of the following is a bidentate ligand?

Ethylenediamine

What is a chelate?

A complex with a polydentate ligand

Which of the following ligands is neutral?

Water

What is the geometry of the complex [PtCl4]2-?

Square planar

What is the coordination number of cobalt in [Co(NH3)6]3+?

6

Which type of ligand is ethylenediamine?

Bidentate

What is the oxidation state of iron in [Fe(CN)6]3-?

3

What is the geometry of [Fe(CN)6]4-?

Octahedral

Which ligand can form a five-membered ring with a metal ion?

Acetylacetonate

What is a complex ion?

A charged species with a central metal ion and ligands

Which ligand is known for forming very stable complexes with metal ions?

EDTA

What is the coordination number of nickel in [Ni(CO)4]?

4

Which of the following is a tridentate ligand?

Diethylenetriamine

What is the role of ligands in a coordination complex?

Donate electron pairs

What is the oxidation state of platinum in [PtCl6]2-?

4

Which ligand forms a chelate with a metal ion?

Oxalate

What is the shape of [Co(NH3)6]3+?

Octahedral

What is the coordination number of chromium in [Cr(NH3)6]3+?

6

Which of the following is a polydentate ligand?

EDTA

What is the charge on the complex ion [Cu(NH3)4]2+?

2

Which ligand is a weak field ligand according to the spectrochemical series?

Water

What is the geometry of [Ni(NH3)6]2+?

Octahedral

Which of the following ligands is negatively charged?

Cyanide

What is the oxidation state of cobalt in [Co(CN)6]3-?

3

Which ligand can act as a bridging ligand?

Hydroxide

What is the shape of [Cu(NH3)4]2+?

Square planar

What is the coordination number of palladium in [PdCl4]2-?

4

Which ligand can form a six-membered ring with a metal ion?

1,10-Phenanthroline

What is the role of a central metal ion in a complex?

Accepts electron pairs

Which of the following is a hexadentate ligand?

EDTA

What is the geometry of [Zn(NH3)4]2+?

Tetrahedral

What is the coordination number of manganese in [Mn(CN)6]3-?

6

Which of the following ligands is a strong field ligand?

Cyanide

What is the oxidation state of iron in [Fe(CO)5]?

2

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