This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part Ii) Chapter 9 Coordination Compounds – Quiz 27 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 9 Coordination Compounds Quiz 27 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The IUPAC name of NH$_{4}$[AuCl$_{4}$] is A) Ammonia tetrachloroaurate(III). B) Ammonium tetrachloroaurate(III). C) Ammonium tetrachlorogold(III). D) Ammonium tetrachloroaurium(III). Show Answer Correct Answer: B) Ammonium tetrachloroaurate(III). 2. What is the oxidation state of silver in the coordination compound 'Diammine Silver(I) Chloride'? A) 4. B) 3. C) 1. D) 2. Show Answer Correct Answer: C) 1. 3. What is the IUPAC name for [Ag(NH3)2]NO3? A) Diammine silver(I) nitrate. B) Monoammine silver(I) nitrate. C) Silver(II) nitrate. D) Diammine silver(II) sulfate. Show Answer Correct Answer: A) Diammine silver(I) nitrate. 4. Give an example of a chelating ligand and explain its significance. A) Acetic acid (CH3COOH). B) Ethylenediamine (en) is an example of a chelating ligand. C) Sodium chloride (NaCl). D) Ammonia (NH3). Show Answer Correct Answer: B) Ethylenediamine (en) is an example of a chelating ligand. 5. What are the compounds called that retain their identity in both solid and solution states? A) Complexes. B) Coordinationcompounds. C) Additioncompounds. D) Doublesalts. Show Answer Correct Answer: B) Coordinationcompounds. 6. What is the first step in naming an ionic coordination compound? A) Name the central metal atom. B) Name the cation. C) Name the ligands. D) Determine the oxidation state. Show Answer Correct Answer: B) Name the cation. 7. Can you find a coordination compound in your home? A) Sodium chloride. B) Iron(III) oxide. C) Calcium carbonate. D) Copper(II) sulfate. Show Answer Correct Answer: D) Copper(II) sulfate. 8. Which of the following is NOT a common coordination polyhedron? A) Octahedral. B) Square planar. C) Tetrahedral. D) Hexagonal. Show Answer Correct Answer: D) Hexagonal. 9. What is the primary focus of qualitative analysis in coordination compounds? A) Determining structure. B) Identifying metal ions. C) Measuring color intensity. D) Calculating molecular weight. Show Answer Correct Answer: B) Identifying metal ions. 10. What is the hybridization of [NiCl4]2-and [Ni(CN)4]2-respectively, given their spin magnetic moments are 2.8 BM and 0 BM? A) D2sp3 and sp3d2. B) Sp3 and dsp2. C) Dsp2 and sp3. D) Sp3d2 and d2sp3. Show Answer Correct Answer: B) Sp3 and dsp2. 11. CFT views the interaction between metal ions and ligands in complexes in terms of electrostatic ..... and ..... A) Attraction, repulsion. B) Positive, negative. C) Cation, anion. D) None of the above. Show Answer Correct Answer: A) Attraction, repulsion. 12. What is the spin multiplicity of a coordination compound with no unpaired electrons? A) 3. B) 2. C) 1. D) 0. Show Answer Correct Answer: C) 1. 13. When writing the formula for a coordination entity, what should be done if the ligands are polyatomic? A) List them after the metal. B) Enclose their formulas in parentheses. C) Write them in bold. D) Ignore them. Show Answer Correct Answer: B) Enclose their formulas in parentheses. 14. [Cu(NH3)4]2+ has the following geometry A) Square planar. B) Tetrahedral. C) Octahedral. D) None of these. Show Answer Correct Answer: A) Square planar. 15. What is the coordination number of a metal ion in a complex? A) Number of oxidation states. B) Number of electrons in the outer shell. C) Number of ligands attached. D) Number of protons in the nucleus. Show Answer Correct Answer: C) Number of ligands attached. 16. What is the geometric isomerism observed in octahedral complexes? A) Cyclic and acyclic isomerism. B) Optical isomerism only. C) Geometric and structural isomerism. D) Cis and trans isomerism. Show Answer Correct Answer: D) Cis and trans isomerism. 17. What is the IUPAC name for the complex [Mn(H2O)6]2+? A) Hexachloromanganese(II). B) Tetraaquamanganese(II). C) Hexaaquamanganese(II). D) Manganese(II) sulfate. Show Answer Correct Answer: C) Hexaaquamanganese(II). 18. What is the oxidation state of manganese in [MnO4]-? A) +5. B) +7. C) +2. D) +4. Show Answer Correct Answer: B) +7. 19. Define the term 'ligand' in the context of coordination compounds. A) A ligand is a molecule or ion that binds to a central metal atom in coordination compounds. B) A ligand is a compound that only exists in solid form. C) A ligand is a type of central metal atom in coordination compounds. D) A ligand is a molecule that cannot bind to any metal atom. Show Answer Correct Answer: A) A ligand is a molecule or ion that binds to a central metal atom in coordination compounds. 20. -SCN$^{-is an }$ A) Unidentate ligand. B) Bidentate ligand. C) Tridentate ligand. D) Ambidentate ligand. Show Answer Correct Answer: D) Ambidentate ligand. 21. The dehydrobromination of 2-bromobutane givesCH$_{3}$CH = CHCH$_{3}$. The product is A) Hofmann product. B) Saytzeff product. C) Hoffmann-Saytzeff product. D) Markownikoff product. Show Answer Correct Answer: B) Saytzeff product. 22. How is the central metal atom named in IUP nomenclature if the coordination sphere is negatively charged? A) With 'ate' at the end. B) With 'ide' at the end. C) With 'ium' at the end. D) With 'ate' at the beginning. Show Answer Correct Answer: A) With 'ate' at the end. 23. In Werner's theory, what is the secondary valency of a coordination compound? A) The number of ionisable ligands. B) The number of non-ionisable ligands. C) The total number of bonds formed by the central metal atom. D) The coordination number of the metal ion. Show Answer Correct Answer: C) The total number of bonds formed by the central metal atom. 24. In which type of isomerism do solvate isomers differ by whether or not a solvent molecule is directly bonded to the metal ion? A) Coordination isomerism. B) Solvate isomerism. C) Linkage isomerism. D) Ionisation isomerism. Show Answer Correct Answer: B) Solvate isomerism. 25. The number of chloride ions given by the complex [Co(NH$_{3}$)$_{5}$Cl]Cl$_{2}$ A) 2. B) 3. C) 1. D) None. Show Answer Correct Answer: A) 2. ← PreviousNext →Related QuizzesClass 12 Chemistry (Part Ii) Chapter 9 Coordination Compounds Quiz 1Class 12 Chemistry (Part Ii) Chapter 9 Coordination Compounds Quiz 2Class 12 Chemistry (Part Ii) Chapter 9 Coordination Compounds Quiz 3Class 12 Chemistry (Part Ii) Chapter 9 Coordination Compounds Quiz 4Class 12 Chemistry (Part Ii) Chapter 9 Coordination Compounds Quiz 5Class 12 Chemistry (Part Ii) Chapter 9 Coordination Compounds Quiz 6Class 12 Chemistry (Part Ii) Chapter 9 Coordination Compounds Quiz 7Class 12 Chemistry (Part Ii) Chapter 9 Coordination Compounds Quiz 8Class 12 Chemistry (Part Ii) Chapter 9 Coordination Compounds Quiz 9Class 12 Chemistry (Part Ii) Chapter 9 Coordination Compounds Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books