Class 12th Chemistry Chapter Coordination Compounds MCQ Free Test Quiz for 2026 exam

Prepare for Class 12 Chemistry exams with our free test quiz on Coordination Compounds! Explore ligands, coordination number, isomerism, and the importance of coordination compounds in various fields. Test your knowledge now!

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12th Chemistry: Coordination Compounds

1 / 10

1. During estimation of nickel, we prepare nickel dimethylglyoxime, a scarlet red solid. This compound is ______.

ionic

covalent

metallic

non-ionic complex.

2 / 10

2. Silver chloride dissolves in

Water

Conc. HCl

NH₄OH

CCl₄

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3. Central atoms/ions in coordination compounds are.

Lewis acid

Lewis bases

Neutral molecules

All of these

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4. Choose the correct statement.

Coordination number has nothing to do with the number of groups or molecules attached to the central atom

Coordination number is the number of coordinating sites of all the ligands connected to the central atom or the number of coordinate bonds formed by the metal atom with ligands

Werner’s coordination theory postulates only one type of valency

All the above are correct

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5. CrCl₃has primary valence of

3

4

2

1

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6. The compound having the lowest oxidation state of iron is:

K₄Fe(CN)₆

K₂FeO₄

Fe₂O₃

Fe(CO)₅

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7. In the coordination compound, K₄[Ni(CN)₄], the oxidation state of nickel is

1

2

–1

0

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8. Ligand in a complex salt are

anions linked by coordinate bonds to a central metal atom or ion

cations linked by coordinate bonds to a central metal or ion

molecules linked by coordinate bonds to a central metal or ion

ions or molecules linked by coordinate bonds to a central atom or ion

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9. The IUPAC name for the complex [Co(ONO)(NH₃)₅Cl₂is

pentaamminenitrito-N-cobalt(II) chloride

pentaamminenitrito-N-cobalt(III) chloride

nitrito-N-pentaamminecobalt(III) chloride

nitrito-N-pentaamminecobalt(II) chloride

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10. K₃[Al(C₂O₄ )₃] is called

Potassium aluminooxalate

Potassium trioxalatoaluminate (III)

Potassium aluminium (III) oxalate

Potassium trioxalatoaluminate (VI)

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Chapter wise chemistry mock test quiz

? Dive into the World of Coordination Compounds
This chapter introduces the fascinating realm of coordination compounds, focusing on key concepts such as ligands, coordination number, color, magnetic properties, and molecular geometry. Learn the IUPAC nomenclature of mononuclear coordination compounds and explore the bonding theories that explain their complex structures.

? Explore Isomerism and Applications
Understand the various types of isomerism (structural and stereoisomerism) observed in coordination compounds and their significance in both theoretical and practical chemistry. Learn how these compounds play an important role in qualitative analysis, metal extraction processes, and even biological systems.

? Why It Matters
Coordination compounds are central to modern inorganic chemistry and have applications in medicine, catalysis, and industry. Mastering this chapter is essential for building a strong foundation in chemistry.

? Ready to Test Yourself?
Whether you’re aiming for top scores or simply want to deepen your understanding, our free Class 12 Chemistry Chapter 9 quiz is a perfect tool for revision and practice. Take the quiz now and strengthen your command over one of the most intriguing topics in inorganic chemistry!

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