This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part Ii) Chapter 9 Coordination Compounds – Quiz 26 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 9 Coordination Compounds Quiz 26 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which theory explains the bonding in coordination compounds? A) VBT (Valence Bond Theory). B) VSEPR Theory. C) Molecular Orbital Theory. D) Lewis Acid-Base Theory. Show Answer Correct Answer: A) VBT (Valence Bond Theory). 2. Consider the coordination compound, K$_{2}$[Cu(CN)$_{4}$]. A coordinate covalent bond exists between A) K$^{+}$ and CN$^{-}$. B) Cu$^{2+}$ and CN$^{-}$. C) K$^{+}$ and [Cu(CN)$_{4}$]$^{2-}$. D) C and N in CN$^{-}$. Show Answer Correct Answer: B) Cu$^{2+}$ and CN$^{-}$. 3. IUPAC name of [Pt(NH3)2Cl(NO2)] is A) Platinum diamminechloronitrite (II). B) Chloronitrito-N-ammineplatinum. C) Diamminechloridonitrito-N-platinum (II). D) Diamminechloronitrito-N-plantinate (II). Show Answer Correct Answer: C) Diamminechloridonitrito-N-platinum (II). 4. Which is the simplest model we can use to explain the optical properties 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: A) Crystal-Field model. 5. When the ligands move along the x, y and z axes of d orbital in metal ion (octahedral geometry), they approach directly toward or between the lobes. Name the d orbitals that feel less repulsion? A) Dz$^{2}$ and dx$^{2}$-y$^{2 }$. B) Dxy$_{, }$ dxz and dyz. C) Dz$^{2}$. D) Dxy$_{ }$and dxz. Show Answer Correct Answer: B) Dxy$_{, }$ dxz and dyz. 6. What are coordination compounds primarily characterized by? A) The presence of only anionic ligands. B) The absence of any metal ions. C) The formation of complex ions with a central metal atom. D) The presence of only cationic ligands. Show Answer Correct Answer: C) The formation of complex ions with a central metal atom. 7. What is the IUPAC name for the complex [Cr(H2O)4Cl2]+? A) Tetraaquachlorochromium(III). B) Tetrachlorochromium(III). C) Pentaaquachromium(II). D) Dihydroxydichlorochromium(III). Show Answer Correct Answer: A) Tetraaquachlorochromium(III). 8. What is the difference between monodentate and bidentate ligands? A) Monodentate ligands bind through one atom; bidentate ligands bind through two atoms. B) Monodentate ligands can bind through multiple atoms; bidentate ligands can only bind through one. C) Both monodentate and bidentate ligands bind through one atom. D) Monodentate ligands bind through two atoms; bidentate ligands bind through one atom. Show Answer Correct Answer: A) Monodentate ligands bind through one atom; bidentate ligands bind through two atoms. 9. What type of isomerism arises from different spatial arrangements of ligands? A) Coordination isomerism. B) Linkage isomerism. C) Stereoisomerism. D) Structural isomerism. Show Answer Correct Answer: C) Stereoisomerism. 10. What is the first step in naming coordination compounds according to IUP nomenclature? A) Calculate the oxidation state of the central metal atom. B) Name the counter ion. C) Name the ligand. D) Name the central metal atom. Show Answer Correct Answer: C) Name the ligand. 11. What is the relationship between atomic size and density? A) Density is inversely related to atomic size. B) Density is directly related to atomic size. C) There is no relationship. D) None of the above. Show Answer Correct Answer: A) Density is inversely related to atomic size. 12. Geometry of [PtCl4]2-? A) Tetrahedral. B) Square planar. C) Octahedral. D) Linear. Show Answer Correct Answer: B) Square planar. 13. [Cu(H$_{2}$O)$_{6}$]$^{2+}$ + edta$^{4-}$ <$\rightarrow$[Cu(edta)]$^{2-}$ + 6H$_{2}$O A) The entropy decreases from left to right. B) The entropy increases from right to left. C) The entropy increases from left to right. D) None of the above. Show Answer Correct Answer: C) The entropy increases from left to right. 14. Why is geometrical isomerism not possible in tetrahedral complexes having two different types of unidentate ligands coordinated with the central metal ion? A) The ligands are not attached to the central metal atom. B) The relative positions of the ligands are the same with respect to each other. C) The ligands are not geometrically arranged. D) The ligands are not isomers. Show Answer Correct Answer: B) The relative positions of the ligands are the same with respect to each other. 15. Define the term 'coordination number' in relation to ligands. A) The coordination number is the number of ligand atoms bonded to a central metal atom. B) The coordination number is the distance between the ligand and the metal atom. C) The coordination number refers to the size of the ligand molecule. D) The coordination number is the total number of electrons in a ligand. Show Answer Correct Answer: A) The coordination number is the number of ligand atoms bonded to a central metal atom. 16. Which one of the following coordination compounds isused to inhibit the growth of tumours? A) Trans-platin. B) EDTA complex of calcium. C) [(Ph3P)3RhCl]. D) Cis-platin. Show Answer Correct Answer: D) Cis-platin. 17. Arrange the following compounds in increasing order of their boiling points. (a) iso-butylbromide(b)n-butylbromide (c) tert-butyl bromide A) <(a)<(c). B) <(b)<(c). C) <(a)<(b). D) <(b)<(a). Show Answer Correct Answer: C) <(a)<(b). 18. Which of the following complexes is expected to be diamagnetic? A) [Fe(CN)6]3-. B) [Cu(H2O)6]2+. C) [Ni(CO)4]. D) [CoCl4]2-. Show Answer Correct Answer: C) [Ni(CO)4]. 19. A coordination compound of Cu$^{2+}$ can be described as Cu(NH$_{3}$)$_{x}$SO$_{4}$ and is known to contain 29.92% NH$_{3}$ by mass. The value of x is: A) 2. B) 3. C) 4. D) 5. E) 6. Show Answer Correct Answer: C) 4. 20. The species having tetrahedral shape is A) [Pd(Cl)$_{4}$]$^{2-}$. B) [Ni(CN)$_{4}$]$^{2-}$. C) [Pd(CN)$_{4}$]$^{2-}$. D) [Ni(Cl)$_{4}$]$^{2-}$. Show Answer Correct Answer: D) [Ni(Cl)$_{4}$]$^{2-}$. 21. What is the correct formula for Diamminesilver(I) chloride? A) [Ag(NH$_{3}$)$_{2}$]Cl. B) [Ag(NH$_{3}$)$_{2}$Cl]. C) [Ag(NH$_{3}$)$_{2}$]Cl$_{2}$. D) [Ag(NH$_{3}$)Cl$_{2}$]. Show Answer Correct Answer: A) [Ag(NH$_{3}$)$_{2}$]Cl. 22. Identify the formula for Wilkinson's catalyst used in homogeneous hydrogenation. A) K[Co(NH3)2(NO2)4]. B) [Ir(CO)(PPh3)2Cl]. C) NH4[Cr(NH3)2(NCS)4]. D) [Rh(PPh3)3Cl]. Show Answer Correct Answer: D) [Rh(PPh3)3Cl]. 23. IUAPC name of [CoCl2(NH3)4]+ A) Dichloridotetraammine cobalt(III)ion. B) Tetraammine dichloridocobalt(III) ion. C) Tetraammine dichloridocobalt(III). D) Dichloridotetraammine cobalt(III). Show Answer Correct Answer: B) Tetraammine dichloridocobalt(III) ion. 24. Explain the difference between monodentate and bidentate ligands. A) Monodentate ligands bind through two atoms; bidentate ligands bind through one atom. B) Monodentate ligands can bind through multiple atoms; bidentate ligands bind through one atom. C) Monodentate ligands bind through one atom; bidentate ligands bind through two atoms. D) Both monodentate and bidentate ligands bind through two atoms. Show Answer Correct Answer: C) Monodentate ligands bind through one atom; bidentate ligands bind through two atoms. 25. Which name-formula combination is NOT correct? A) FORMULA NAME. B) [Co(NH$_{3}$)$_{4}$(OH$_{2}$)I]SO$_{4 }$tetraammineaquaiodocobalt(III) sulfate. C) K[Cr(NH$_{3}$)$_{2}$Cl$_{4}$] potassium diamminetetrachlorochromate(III). D) [Mn(CN)$_{5}$]$^{2-}$pentacyanomanganate(II) ion. E) [Ni(CO)$_{4}$] tetracarbonylnickel(0). Show Answer Correct Answer: D) [Mn(CN)$_{5}$]$^{2-}$pentacyanomanganate(II) ion. ← 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