This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part Ii) Chapter 9 Coordination Compounds – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 9 Coordination Compounds Quiz 10 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The coordination number of [Cu(en)$_{3}$]$^{2+}$ is A) 3. B) 6. C) 2. D) 12. Show Answer Correct Answer: B) 6. 2. Oxidation state of Co in [Co(NH3)5Cl]Cl2? A) +3. B) +2. C) +1. D) 0. Show Answer Correct Answer: A) +3. 3. Cl as ligand results in A) High spin complex. B) Low spin complex. C) Either high or low spin complex. D) None of the above. Show Answer Correct Answer: A) High spin complex. 4. What is meant by the term "complex ion" ? A) An anion. B) A cation. C) An ion with 4 electrons. D) A central metal ion surrounded by ligands. Show Answer Correct Answer: D) A central metal ion surrounded by ligands. 5. What is the significance of the coordination number in a coordination compound? A) It determines the geometry of the compound. B) It represents the charge of the central metal atom. C) It shows the number of unpaired electrons. D) It indicates the number of ligands attached to the metal atom. Show Answer Correct Answer: D) It indicates the number of ligands attached to the metal atom. 6. What is the electron configuration of the Sc(I) ion? A) [Ar] 4s$^{1}$4d$^{1}$. B) [Ar] 4s$^{1}$3d$^{1}$. C) [Ar] 3s$^{1}$3d$^{1}$. D) [Ar] 4s$^{2}$. E) [Ar] 3d$^{2}$. Show Answer Correct Answer: E) [Ar] 3d$^{2}$. 7. Which is used in cancer-chemotherapy? A) Cisplatin. B) Zeise's salt. C) Both (1) and (2). D) None of these. Show Answer Correct Answer: A) Cisplatin. 8. What is the term for mirror image optical isomers that cannot be superimposed on one another? A) Linkage isomers. B) Coordination isomers. C) Structural isomers. D) Enantiomers. Show Answer Correct Answer: D) Enantiomers. 9. In the complex [Fe(CN)$_{6}$]$^{4-}$, the ligand is ..... A) CN ion. B) Fe ion. C) No ligands. D) I don't know. Show Answer Correct Answer: A) CN ion. 10. What is the maximum oxidation state expected for vanadium? A) +5. B) +8. C) +6. D) +4. E) +3. Show Answer Correct Answer: A) +5. 11. Which ligand is represented by the symbol 'en' in coordination compounds? A) Ethyne. B) Ethylene. C) Ethanol. D) Ethane. Show Answer Correct Answer: D) Ethane. 12. Which is not an example of a ligand substitution reaction? A) [Cu(H$_{2}$O)$_{6}$]$^{2+}$ + 2OH$^{-}$ $\rightarrow$ [Cu(H$_{2}$O)$_{4}$(OH)$_{2}$] + 2H$_{2}$O. B) [Cu(H$_{2}$O)$_{6}$]$^{2+}$ + 4Cl$^{-}$ $\rightarrow$ [Cu(Cl)$_{4}$]$^{2-}$ + 6H$_{2}$O. C) [Cu(H$_{2}$O)$_{4}$(OH)$_{2}$] + 4NH$_{3 }$$\rightarrow$ [Cu(H$_{2}$O)$_{2}$(NH$_{3}$)$_{4}$]$^{2+}$ + 2H$_{2}$O + 2OH$^{-}$. D) [Cu(H$_{2}$O)$_{6}$]$^{2+}$ + 3en $\rightarrow$ [Cu(en)$_{3}$]$^{2+}$ + 6H$_{2}$O. Show Answer Correct Answer: A) [Cu(H$_{2}$O)$_{6}$]$^{2+}$ + 2OH$^{-}$ $\rightarrow$ [Cu(H$_{2}$O)$_{4}$(OH)$_{2}$] + 2H$_{2}$O. 13. What is the oxidation state of platinum in [PtCl6]2-? A) +3. B) +6. C) +4. D) +2. Show Answer Correct Answer: C) +4. 14. The metal carbonyl which is paramagnetic is A) Ni(CO)$_{4}$. B) V(CO)$_{6}$. C) Cr(CO)$_{6}$. D) Fe(CO)$_{5}$. Show Answer Correct Answer: B) V(CO)$_{6}$. 15. Which one is a neutral ligand? A) H$_{2}$O. B) NH$_{3}$. C) CO. D) All of these. Show Answer Correct Answer: D) All of these. 16. An example for a double salt is A) Potash Alum. B) Potassium ferricyanide. C) Cupric sulphate. D) Cobalt hexamine bromide. Show Answer Correct Answer: A) Potash Alum. 17. Which of the following ligands is classified as a strong field ligand? A) Water. B) Chloride. C) Ammonia. D) Cyanide. Show Answer Correct Answer: D) Cyanide. 18. Do coordination compounds have special shapes? A) Coordination compounds do not have defined structures. B) No, coordination compounds are always linear. C) Yes, coordination compounds have special shapes. D) All coordination compounds are spherical in shape. Show Answer Correct Answer: C) Yes, coordination compounds have special shapes. 19. What is the hybridization of a coordination compound with the formula [Co(NH3)6]Cl3? A) Sp3d2. B) Dsp2. C) D2sp3. D) Sp3. Show Answer Correct Answer: C) D2sp3. 20. What is the trend in electronegativity from Period 4 to Period 5? A) Electronegativity increases. B) Electronegativity decreases. C) Electronegativity remains the same. D) None of the above. Show Answer Correct Answer: A) Electronegativity increases. 21. IUPAC name of Na3[Al(C2O4)3] A) Sodium trioxalatoaluminate(III). B) Trisodium trioxalatoaluminate(III). C) Sodium trioxalatoaluminium (III). D) Sodium trioxalatoaluminate(II). Show Answer Correct Answer: A) Sodium trioxalatoaluminate(III). 22. Linkage isomerism arises in a coordination compound containing which type of ligand? A) Monodentate ligand. B) Ambidentate ligand. C) Chelating ligand. D) Polydentate ligand. Show Answer Correct Answer: B) Ambidentate ligand. 23. Can you name a type of coordination compound? A) [Cu(NH3)4]SO4. B) H2O. C) NaCl. D) FeCl3. Show Answer Correct Answer: A) [Cu(NH3)4]SO4. 24. How do you denote the oxidation state of a metal in a coordination compound? A) The oxidation state is shown as a subscript next to the metal symbol. B) The oxidation state is indicated by a letter code before the metal's name. C) The oxidation state is represented by a color code on the compound. D) The oxidation state is denoted by a Roman numeral in parentheses after the metal's name. Show Answer Correct Answer: D) The oxidation state is denoted by a Roman numeral in parentheses after the metal's name. 25. What is the name of the complex [Ag(NH3)2][Ag(CN)2]? A) Diaminesilver(I)dicyanoargentate(I). B) Diaminesilver(II)dicyanoargentate(II). C) Diaminesilver(I)dicyanoargentate(II). D) Diaminesilver(II)dicyanoargentate(I). Show Answer Correct Answer: A) Diaminesilver(I)dicyanoargentate(I). ← 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 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books