This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part Ii) Chapter 9 Coordination Compounds – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 9 Coordination Compounds Quiz 3 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A molecule that cannot be superimposed on its mirror image is said to exhibit which of the following? A) Geometrical isomerism. B) Optical isomerism. C) Linkage isomerism. D) Coordination isomerism. Show Answer Correct Answer: B) Optical isomerism. 2. Amongst the following, the most stable complex is A) [Fe(H2O)6]3+. B) [Fe(NH3)6]3+. C) [Fe(C2O4)3]3-. D) [FeCl6]3-. Show Answer Correct Answer: C) [Fe(C2O4)3]3-. 3. What is the name of the compound K3[Co(C2O4)3]? A) Potassium tetrahydroxozincate(II). B) Potassium trioxalatoaluminate(III). C) Potassium hexacyanocobaltate(III). D) Potassium tetraamminehydroxocobaltate(III). Show Answer Correct Answer: B) Potassium trioxalatoaluminate(III). 4. If the complex ion is a cation, how is the metal named? A) With the suffix-ate. B) With the suffix-ium. C) By its elemental name. D) By its oxidation state. Show Answer Correct Answer: C) By its elemental name. 5. Which term describes a ligand that can bind through two donor atoms simultaneously to a single metal ion? A) Monodentate. B) Bidentate. C) Chelate. D) Ambidentate. Show Answer Correct Answer: B) Bidentate. 6. In the coordination compound, K$_{4}$[Ni(CN)$_{4}$], the oxidation state of nickel is A) 0. B) +1. C) -1. D) +2. Show Answer Correct Answer: A) 0. 7. Which of the following is an example of a double salt? A) NaCl. B) KCl. C) Mohr Salt. D) Potassium ferrocyanide. Show Answer Correct Answer: C) Mohr Salt. 8. What is the IUPAC name for [PtCl2(NH3)2]? A) Tetraammineplatinum(II). B) Diamminedichloroplatinum(II). C) Dichloroplatinum(II). D) Chloroplatinum(IV). Show Answer Correct Answer: B) Diamminedichloroplatinum(II). 9. Select the correct IUPAC name for [Cr(H2O)4Cl2]Cl. A) Tetraquadichloro chromium(III) chloride. B) Dichlorotetraaquachromium(III) chloride. C) Tetraquadichlorochromate(III). D) Chromium tetraaqua dichloro chloride. Show Answer Correct Answer: A) Tetraquadichloro chromium(III) chloride. 10. What is the term for the two forms of optical isomers that rotate the plane of polarised light in opposite directions? A) Facial and Meridional. B) Dextro and Laevo. C) Chiral and Non-chiral. D) Cis and Trans. Show Answer Correct Answer: B) Dextro and Laevo. 11. Magnetic moment depends on? A) Charge. B) Ligand. C) Unpaired electrons. D) Size. Show Answer Correct Answer: C) Unpaired electrons. 12. Complexes with dsp2 hybridization has A) Tetrahedral geometry. B) Square planar geometry. C) Octahedral geometry. D) Trigonal planar geometry. Show Answer Correct Answer: B) Square planar geometry. 13. Which of the following is true about the naming of anionic ligands in coordination compounds? A) They end with-ium. B) They end with-ate. C) They end with-o. D) They end with-ide. Show Answer Correct Answer: C) They end with-o. 14. (Valance Bond Theory) Magnetic measurements indicate that [Co(OH$_{2}$)$_{6}$]$^{2+}$ has 3 unpaired electrons. Therefore, the hybridization of the metal's orbitals in [Co(OH$_{2}$)$_{6}$]$^{2+}$ is: A) Sp$^{3}$. B) Sp$^{2}$d. C) Dsp$^{2}$. D) Sp$^{3}$d$^{2}$. Show Answer Correct Answer: D) Sp$^{3}$d$^{2}$. 15. What is the significance of the spectrochemical series? A) It ranks ligands based on their size. B) It ranks ligands based on their charge. C) It ranks ligands based on their field strength. D) It ranks ligands based on their solubility. Show Answer Correct Answer: C) It ranks ligands based on their field strength. 16. Which geometrical shape is more common in coordination compounds of transition metals according to Werner? A) Octahedral. B) Square planar. C) Tetrahedral. D) Linear. Show Answer Correct Answer: A) Octahedral. 17. What is the IUPAC name for [Ni(H2O)6]Cl2? A) Nickel(II) chloride. B) Hexahydronickel(II) chloride. C) Dihydroxynickel(II) chloride. D) Hexaaquanickel(II) chloride. Show Answer Correct Answer: D) Hexaaquanickel(II) chloride. 18. Which complex is colourless? A) [Zn(NH3)4]2+. B) [Cu(H2O)6]2+. C) [CoCl4]2-. D) [Fe(H2O)6]3+. Show Answer Correct Answer: A) [Zn(NH3)4]2+. 19. What type of ligand is ethylenediamine (en)? A) Polydentate ligand. B) Bidentate ligand. C) Tridentate ligand. D) Monodentate ligand. Show Answer Correct Answer: B) Bidentate ligand. 20. What is the IUPAC name for the complex [Cu(NH3)4]SO4? A) Tetraamminecopper(I) sulfate. B) Copper(II) ammine sulfate. C) Tetraamminecopper(II) sulfate. D) Copper(II) sulfate. Show Answer Correct Answer: C) Tetraamminecopper(II) sulfate. 21. What is a common application of coordination compounds in everyday life? A) They are used as catalysts in chemical reactions. B) They are primarily used in the production of plastics. C) They are used as flavor enhancers in food. D) They are used in the manufacturing of glass. Show Answer Correct Answer: A) They are used as catalysts in chemical reactions. 22. The stability of a complex increases with: A) Greater charge on the central metal. B) Larger ionic radius of the metal. C) Weak-field ligands. D) Fewer donor atoms. Show Answer Correct Answer: A) Greater charge on the central metal. 23. Which compound is formed by the reaction between sodium tetrahydroxozincate(II) and cobalt(III) chloride? A) Sodium tetraammine cobalt(III) ion. B) Nickel(II) tetraammine dichlorido cobalt(III) ion. C) Sodium tetrahydroxozincate(II). D) Cobalt(III) trioxalatoaluminate(III). Show Answer Correct Answer: A) Sodium tetraammine cobalt(III) ion. 24. The IUPAC name for [Pt(NH$_{3}$)$_{3}$(Br)(NO$_{2}$)(Cl)]Cl is A) Triamminechlorobromonitroplatinum(IV) chloride. B) Triamminebromochloronitroplatinum(IV) chloride. C) Triaminenitrochlorobromoplatinum(IV) chloride. D) Triamminechloronitrobromoplatinum(IV) chloride. Show Answer Correct Answer: B) Triamminebromochloronitroplatinum(IV) chloride. 25. Strong field ligands such as CN$^{-}$: A) Usually produce high spin complexes and small crystal field splitting. B) Usually produce low spin complexes and small crystal field splitting. C) Usually produce low spin complexes and high crystal field splitting. D) Usually produce high spin complexes and high crystal field splitting. Show Answer Correct Answer: C) Usually produce low spin complexes and high crystal field splitting. ← 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 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 10Class 12 Chemistry (Part Ii) Chapter 9 Coordination Compounds Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books