This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part Ii) Chapter 9 Coordination Compounds – Quiz 17 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 9 Coordination Compounds Quiz 17 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Select the correct IUPAC name for:[Co(NH$_{3}$)$_{6}$]$^{2+}$ A) Hexammoniacobaltate(II) ion. B) Hexaamminecobaltate(II) ion. C) Hexammoniacobalt(II) ion. D) Hexaamminecobalt(II) ion. Show Answer Correct Answer: D) Hexaamminecobalt(II) ion. 2. Complex with Sp3 hybridization has A) Octahedral geometry. B) Tetrahedral geometry. C) Square planar geometry. D) Trigonal bipyramidal geometry. Show Answer Correct Answer: B) Tetrahedral geometry. 3. What is the role of the central metal ion in a coordination compound? A) It has no significant role in the compound. B) It serves as the core to which ligands are attached. C) It provides the primary source of color in the compound. D) It acts as a solvent for the ligands. Show Answer Correct Answer: B) It serves as the core to which ligands are attached. 4. Which of the following is the correct IUPAC name for [Fe(CN)$_{6}$]$^{4-}$? A) Hexacyanoiron(II). B) Hexacyanidoferrate(II). C) Hexacyanoferrate(II). D) Hexacyanoiron(IV). Show Answer Correct Answer: B) Hexacyanidoferrate(II). 5. Which of these ions is violet in colour? A) V$^{2+}$. B) V$^{3+}$. C) VO$^{2+}$. D) VO$_{2}$$^{+}$. Show Answer Correct Answer: A) V$^{2+}$. 6. When 1 mol of CrCl3.6H2O is treated with excess of AgNO3, 3 mol of AgCl is obtained. The formula of the complex is A) [CrCl3(H2O)3].3H2O. B) [CrCl2(H2O)4]Cl.2H2O. C) CrCl(H2O)5]Cl2.H2O. D) [Cr(H2O)6]Cl3. Show Answer Correct Answer: D) [Cr(H2O)6]Cl3. 7. Which shows cis-trans isomerism? A) [Pt(NH3)2Cl2]. B) [Zn(NH3)4]2+. C) [Ni(CO)4]. D) [Fe(CN)6]4-. Show Answer Correct Answer: A) [Pt(NH3)2Cl2]. 8. The number of en ligands dative covalently bonded to Cu in [Cu(en)$_{3}$]$^{2+}$ is A) 3. B) 6. C) 2. D) None of the above. Show Answer Correct Answer: A) 3. 9. What is the role of coordination compounds in biological systems? A) Energy production. B) Metal ion transport. C) DNA replication. D) Protein synthesis. Show Answer Correct Answer: B) Metal ion transport. 10. In K$_{4}$[Fe(CN)$_{6}$], Fe is in the form of A) An atom. B) Neutral complex. C) Cationic complex. D) Anionic complex. Show Answer Correct Answer: D) Anionic complex. 11. Which shows optical isomerism? A) [Co(en)3]3+. B) [Pt(NH3)2Cl2]. C) [Ni(CO)4]. D) [Fe(CN)6]4-. Show Answer Correct Answer: A) [Co(en)3]3+. 12. The correct IUPAC name of [Pt(NH$_{3}$)$_{2}$Cl$_{2}$] is A) Diamminedichloridoplatinum (II). B) Diamminedichloridoplatinum (IV). C) Diamminedichloridoplatinum (IV). D) Dichloridodiammineplatinum (IV). Show Answer Correct Answer: A) Diamminedichloridoplatinum (II). 13. What type of compound is formed when K2SO4 and Al2(SO4)3 combine? A) Hydrate. B) Complex compound. C) Simple salt. D) Double salt. Show Answer Correct Answer: D) Double salt. 14. What is the coordination number of a metal ion? A) The coordination number refers to the size of the metal ion. B) The coordination number is the total charge of the metal ion. C) The coordination number indicates the oxidation state of the metal. D) The coordination number of a metal ion is the number of ligands bonded to it. Show Answer Correct Answer: D) The coordination number of a metal ion is the number of ligands bonded to it. 15. Which of the following do not shows the Geometrical isomerism A) Square planar complexes. B) Octahedral complexes. C) Tetrahedral complexes. D) None of the above. Show Answer Correct Answer: C) Tetrahedral complexes. 16. What is the primary valence in coordination compounds? A) The oxidation state of the metal. B) The number of ligands. C) The spatial arrangement of ligands. D) The coordination number. Show Answer Correct Answer: A) The oxidation state of the metal. 17. The coordination number and the oxidation state of the element 'E' in the complex [E(en)$_{2}$(C$_{2}$O$_{4}$)]NO$_{2}$ (where (en) is ethylene diamine) are, respectively A) 4 and 2. B) 4 and 3. C) 6 and 3. D) 6 and 2. Show Answer Correct Answer: C) 6 and 3. 18. Which ligand is weakest? A) CN-. B) NH3. C) H2O. D) I-. Show Answer Correct Answer: D) I-. 19. Name the common types of ligands based on their donor atoms. A) Decadentate. B) Tetradentate. C) Monodentate, Bidentate, Tridentate, Polydentate, Ambidentate. D) Hexadentate. Show Answer Correct Answer: C) Monodentate, Bidentate, Tridentate, Polydentate, Ambidentate. 20. What is the IUP name of the coordination compound 'Diamine Silver(I) Chloride'? A) Silver Diamine Chloride. B) Diamine Silver(I) Chloride. C) Diamine Silver(II) Chloride. D) Silver Diamine Chloride(I). Show Answer Correct Answer: B) Diamine Silver(I) Chloride. 21. How does ionization energy change down a transition group? A) It increases. B) It decreases. C) It remains constant. D) None of the above. Show Answer Correct Answer: A) It increases. 22. Hybridisation of [Ni(CN)4]2-? A) Sp3. B) Dsp2. C) Sp3d. D) D2sp3. Show Answer Correct Answer: B) Dsp2. 23. What is the primary valency of the compound [Co(NH3)6]Cl3 A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. 24. What is the effect of ligand denticity on the stability of coordination compounds? A) Only monodentate ligands can stabilize coordination compounds. B) Lower denticity always results in more stable compounds. C) Denticity has no effect on the stability of coordination compounds. D) Higher denticity generally increases stability due to more bonding interactions. Show Answer Correct Answer: D) Higher denticity generally increases stability due to more bonding interactions. 25. Choose the correct IUPAC name for [Cr(H2O)5Cl]Cl2. A) Chloropentaaquachromate(III). B) Pentaaquachloro chromium(III) chloride. C) Pentaaquachloro chromium(III). D) Pentaaquachlorochromium(III) chloride. Show Answer Correct Answer: D) Pentaaquachlorochromium(III) chloride. ← 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