This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part Ii) Chapter 9 Coordination Compounds – Quiz 22 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 9 Coordination Compounds Quiz 22 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the name of the complex [Ag(NH3)2]NO3? A) Diammine silver(I) nitrate. B) Monoamine silver(II) nitrate. C) Diamine silver(II) nitrate. D) Triammine silver(I) nitrate. Show Answer Correct Answer: A) Diammine silver(I) nitrate. 2. How do you determine the geometry of a coordination compound? A) Ligand size is the only factor affecting geometry. B) The geometry is determined by the temperature of the solution. C) The geometry is solely based on the metal's oxidation state. D) The geometry of a coordination compound is determined by the coordination number and the types of ligands involved. Show Answer Correct Answer: D) The geometry of a coordination compound is determined by the coordination number and the types of ligands involved. 3. Which response gives the correct coordination number and oxidation number of the transition metal atom in [Co(NH$_{3}$)$_{2}$(H$_{2}$O)$_{2}$Cl$_{2}$] $^{+}$? A) C.N. = 2; O.N. = +3. B) C.N. = 3; O.N. = +1. C) C.N. = 4; O.N. = +2. D) C.N. = 6; O.N. = +3. Show Answer Correct Answer: D) C.N. = 6; O.N. = +3. 4. The compound having lowest oxdation state of iron is A) K$_{4}$[Fe(CN)$_{6}$]. B) K$_{2}$FeO$_{4}$. C) [Fe(CO)$_{5}$]. D) K$_{3}$[Fe(CN)$_{6}$]. Show Answer Correct Answer: C) [Fe(CO)$_{5}$]. 5. How does the presence of water as a ligand influence the properties of coordination compounds? A) Water ligands only affect the color of the compound. B) Water can alter the solubility and reactivity of coordination compounds. C) Water is always a weak ligand in coordination compounds. D) Water ligands do not affect the properties of coordination compounds. Show Answer Correct Answer: B) Water can alter the solubility and reactivity of coordination compounds. 6. What are the common geometries associated with coordination compounds? A) Dodecahedral. B) Hexagonal. C) Common geometries include linear, trigonal planar, tetrahedral, square planar, and octahedral. D) Cubic. Show Answer Correct Answer: C) Common geometries include linear, trigonal planar, tetrahedral, square planar, and octahedral. 7. What is the coordination number of the central metal atom in the complex 'Tetraamminecopper(II) Sulfate'? A) 4. B) 6. C) 8. D) 5. Show Answer Correct Answer: B) 6. 8. In octahedral complexes, how many positions are occupied by ligands directly attached to the central metal atom? A) 6. B) 5. C) 4. D) 7. Show Answer Correct Answer: A) 6. 9. How do you name a complex with a bidentate ligand? A) [Ligand name] [bis-if applicable] [Metal name] [oxidation state]. B) [Ligand name] [Metal name] [prefix] [oxidation state]. C) [Ligand name] [Metal name] [oxidation state]. D) [Metal name] [bis-if applicable] [Ligand name] [oxidation state]. Show Answer Correct Answer: A) [Ligand name] [bis-if applicable] [Metal name] [oxidation state]. 10. Square planar has coordination number A) 4. B) 6. C) 3. D) 2. Show Answer Correct Answer: A) 4. 11. What is the definition of a coordination compound? A) A compound with only one type of ligand. B) A compound with a central metal atom bonded to a single molecule. C) A compound with no counter ions. D) A compound with a metal atom bonded to a number of ions or molecules. Show Answer Correct Answer: D) A compound with a metal atom bonded to a number of ions or molecules. 12. Which experiment is commonly used to measure the magnetic moment of coordination compounds? A) Spectroscopy. B) Chromatography. C) Magnetic susceptibility. D) Electrolysis. Show Answer Correct Answer: C) Magnetic susceptibility. 13. NH$_{2}$(CH$_{2}$)$_{2}$NH$_{2}$ is A) Unidentate ligand. B) Bidentate ligand. C) Tridentate ligand. D) Ambidentate ligand. Show Answer Correct Answer: B) Bidentate ligand. 14. Hybridization of Fe in K$_{3}$ [Fe(CN )$_{6 }$] A) Sp$^{3}$. B) Dsp$^{3}$. C) D$^{2}$sp$^{3}$. D) Sp$^{3}$d$^{2}$. Show Answer Correct Answer: C) D$^{2}$sp$^{3}$. 15. The magnetic moment of [NiL4] $^{2-}$ ion is found to be zero. Then the hybridization of the complex ion is (L = monodentate anionic ligand). At no of Ni-28. A) Sp$^{3}$ hybridized. B) Spd$^{2 }$hybridised. C) Dsp$^{2}$ hybridized. D) D$^{2}$sp hybridized. Show Answer Correct Answer: C) Dsp$^{2}$ hybridized. 16. How do you name a coordination compound with a cation and an anion? A) Name the anion first, followed by the cation. B) Combine the cation and anion into one word. C) Name the cation first, followed by the anion. D) Use the Latin names for both the cation and anion. Show Answer Correct Answer: C) Name the cation first, followed by the anion. 17. What is the coordination number of this complex ion [Cu(H2O)6] 2+? A) 7. B) 6. C) 8. D) 1. Show Answer Correct Answer: B) 6. 18. What are the properties of a ligand? A) Usually Lewis Acid. B) Have unpaired electrons. C) Have lone pairs. D) They are cations. Show Answer Correct Answer: C) Have lone pairs. 19. Amongst the following ions? Which one has the highest magnetic moment value:(i) [Cr(H$_{2}$O)$_{6}$]$^{3+}$(ii) [Fe(H$_{2}$0)$_{6}$]$^{2+}$ (iii) [Zn(H$_{2}$0)$_{6}$]$^{2+}$ A) (i) [Cr(H$_{2}$O)$_{6}$]$^{3+}$. B) (ii) [Fe(H$_{2}$0)$_{6}$]$^{2+}$. C) (iii) [Zn(H$_{2}$0)$_{6}$]$^{2+}$. D) None of the above. Show Answer Correct Answer: B) (ii) [Fe(H$_{2}$0)$_{6}$]$^{2+}$. 20. The number of ions per mole of a complex [CoCl.5NH$_{3}$]Cl$_{2}$ in aqueous solution will be A) 9. B) 4. C) 3. D) 2. Show Answer Correct Answer: C) 3. 21. The correct statement with respect to the complexes Ni(CO)4 and [Ni(CN)4]2-is A) Nickel is in the same oxidation state in both. B) Both have tetrahedral geometry. C) Both have square planar geometry. D) Have tetrahedral and square planar geometry respectively. Show Answer Correct Answer: D) Have tetrahedral and square planar geometry respectively. 22. Which theory is considered as the first theory, regarding the bonding in Co-ordination Compounds? A) Werner's theory. B) CFT. C) MOT. D) VBT. Show Answer Correct Answer: A) Werner's theory. 23. Which is tetrahedral? A) [NiCl4]2-. B) [PtCl4]2-. C) [Fe(CN)6]4-. D) [Co(NH3)6]3+. Show Answer Correct Answer: A) [NiCl4]2-. 24. Which property of coordination compounds is influenced by the arrangement of ligands? A) Magnetic properties. B) Molecular weight. C) Boiling point. D) Solubility. Show Answer Correct Answer: A) Magnetic properties. 25. Alfred Werner in his theory of coordination compounds proposed that A) The secondary valences are ionisable. B) The secondary valences are non ionisable. C) The secondary valences are satisfied by positive ions. D) The secondary valence is not fixed for a metal. Show Answer Correct Answer: B) The secondary valences are non ionisable. ← 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