This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part Ii) Chapter 9 Coordination Compounds – Quiz 16 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 9 Coordination Compounds Quiz 16 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What factors influence the color of coordination compounds? A) Only the temperature of the solution. B) The size of the metal ion alone. C) The presence of other compounds in the solution. D) The type of ligands and the oxidation state of the metal ion. Show Answer Correct Answer: D) The type of ligands and the oxidation state of the metal ion. 2. Which kind of isomerism is exhibited by octahedral Co(NH3)4Br2Cl? A) Geometrical and ionisation. B) Geometrical and optical. C) Optical and ionisation. D) Geometrical only. Show Answer Correct Answer: A) Geometrical and ionisation. 3. A ligand can also be regarded as A) Lewis acid. B) Bronsted base. C) Bronsted acid. D) Lewis base. Show Answer Correct Answer: D) Lewis base. 4. The name of metals ends with-ate under which of the following conditions A) All ligands in the complex are negative. B) All ligands in the complex are neutral. C) The coordination sphere is having negative charge on it. D) The coordination sphere is having positive charge on it. Show Answer Correct Answer: C) The coordination sphere is having negative charge on it. 5. Which of the following is a characteristic of coordination compounds? A) They are always colorless. B) They do not conduct electricity. C) They can exhibit isomerism. D) They are only soluble in organic solvents. Show Answer Correct Answer: C) They can exhibit isomerism. 6. The ..... sphere is enclosed in brackets in formulas for complex species, and it includes the central metal ion plus the coordinated groups. A) Ligand. B) Donor. C) Coordination. D) Chelating. Show Answer Correct Answer: D) Chelating. 7. Strong field ligand is which give small splitting energy A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 8. The energy diagram of the d orbital energy splitting complexes in tetrahedral geometry, shows the d orbitals with higher in energy (t$_{2g}$) which refer to ..... d orbitals A) Dz$^{2}$. B) Dxy$_{, }$ dxz and dyz. C) Dz$^{2}$ and dx$^{2}$-y$^{2}$. D) Dxy$_{ }$and dxz. Show Answer Correct Answer: B) Dxy$_{, }$ dxz and dyz. 9. How are coordination compounds used in medical applications? A) Coordination compounds are used in agricultural fertilizers. B) Coordination compounds are used in medical imaging and chemotherapy. C) Coordination compounds are used in construction materials. D) Coordination compounds are used in food preservation. Show Answer Correct Answer: B) Coordination compounds are used in medical imaging and chemotherapy. 10. An example of ambidentate ligand A) CN. B) En. C) ONO. D) BOTH A AND C. Show Answer Correct Answer: D) BOTH A AND C. 11. What are the applications of coordination compounds in industrial processes? A) Food preservation. B) Water purification. C) Applications of coordination compounds include catalysis, metal extraction, dye production, pharmaceuticals, and fertilizers. D) Plastic manufacturing. Show Answer Correct Answer: C) Applications of coordination compounds include catalysis, metal extraction, dye production, pharmaceuticals, and fertilizers. 12. Reaction of ethyl chloride with sodium leads to A) N-pentane. B) N-butane. C) Propane. D) Ethane. Show Answer Correct Answer: B) N-butane. 13. What is the number of ligand donor atoms to which the metal is directly bonded in a complex called? A) Ligandicity. B) Coordination number. C) Chelation. D) Ambidenticity. Show Answer Correct Answer: B) Coordination number. 14. What does EAN rule stand for in the context of coordination compounds? A) Effective Atomic Number. B) Electron Affinity Number. C) Equilibrium Atomic Number. D) Energy Absorption Number. Show Answer Correct Answer: A) Effective Atomic Number. 15. What is the correct name for [Cr(H2O)6]Cl3? A) Trihydroxochromium(III) sulfate. B) Pentaaquachromium(II) chloride. C) Hexaaquachromium(III) chloride. D) Dihydroxochromium(III) bromide. Show Answer Correct Answer: C) Hexaaquachromium(III) chloride. 16. Which compound is zero valent metal complex? A) [Cu(NH3)4]SO4. B) [Pt(NH3)2Cl2]. C) [Ni(CO)4]. D) K3[Fe(CN)6]. Show Answer Correct Answer: C) [Ni(CO)4]. 17. Octahedral complex of Cr (III) will be A) Sp$^{3}$d$^{2 }$in case of weak field ligand. B) D$^{2}$sp$^{3}$ in case of strong ligand. C) D$^{2}$sp$^{3}$ always. D) Always colourless complexes. Show Answer Correct Answer: C) D$^{2}$sp$^{3}$ always. 18. The magnetic moment of [NiX4] 2-ion is found to be zero. Then the metal of the complex ion is (X = monodentate anionic ligand) A) Sp3 hybridized. B) Spd2 hybridised. C) Dsp2 hybridized. D) D2 sp hybridized. Show Answer Correct Answer: C) Dsp2 hybridized. 19. The correct formula of pentaammineaquachromium (III) chloride is A) [Cr(H$_{2}$O)(NH$_{3}$)$_{5}$]Cl$_{3}$. B) [Cr(H$_{2}$O)$_{2}$(NH$_{3}$)$_{4}$]Cl$_{3}$. C) [Cr(H$_{2}$O)(NH$_{3}$)$_{5}$]Cl$_{2}$. D) [Cr(H$_{2}$O)$_{5}$(NH$_{3}$)]Cl$_{3}$. Show Answer Correct Answer: A) [Cr(H$_{2}$O)(NH$_{3}$)$_{5}$]Cl$_{3}$. 20. Which of the following complexes do not follow EAN rule? A) [Fe(CN)$_{6}$]$^{4-}$. B) [Fe(CN)$_{6}$]$^{3-}$. C) Ni(CO)$_{4}$. D) [PdCl$_{4}$]$^{2-}$. Show Answer Correct Answer: B) [Fe(CN)$_{6}$]$^{3-}$. 21. What is the main characteristic of a homoleptic complex? A) Contains only one type of ligand. B) Has a coordination number of 4. C) Contains multiple types of ligands. D) Is always neutral. Show Answer Correct Answer: A) Contains only one type of ligand. 22. K4[Fe(CN)6 ] is a: A) Double salt. B) Complex compound. C) Acid. D) Base. Show Answer Correct Answer: B) Complex compound. 23. Which is the simplest model we can use to explain the strength of ligands of coordination compounds? A) Crystal-Field model. B) Valence Bond model. C) Ligand-Field model. D) Thailand's next top model. Show Answer Correct Answer: C) Ligand-Field model. 24. Which complex can show cis-trans isomerism? A) [Ni(CN)4]2-. B) [Pt(NH3)2Cl2]. C) [Cr(en)3]3+. D) [Zn(H2O)6]2+. Show Answer Correct Answer: B) [Pt(NH3)2Cl2]. 25. A complex with a non-zero spin magnetic moment typically indicates which characteristic? A) It is an inner orbital complex. B) It is diamagnetic. C) It contains unpaired electrons. D) It has a square planar geometry. Show Answer Correct Answer: C) It contains unpaired electrons. ← 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