JEE CHEMISTRY UNIT 12
QUIZ NO 3
TOTAL QUESTIONS = 20
1. Which of the following complexes is square planar?
A. [CoF6]3-
B. [Co(NH3)6]3+
C. [Ni(CN)4]2-
D. [Pt(NH3)2Cl2]
2. Which of the following complexes shows optical isomerism
A. [Ni(CO)4]
B. [Co(en)3]3+
C. [Fe(CN)6]4-
D. [PtCl2(NH3)2]
3. Which of the following shows linkage isomerism?
A. [Co(NO2)6]3-
B. [Co(SCN)6]3-
C. [Cr(NO2)6]3-
D. [Cr(SCN)6]3-
4. What is the coordination number of cobalt in [Co(NH3)6]3+
A. 4
B. 2
C. 8
D. 6
5. What is the geometry of [Cu(NH3)4]2+?
A. Tetrahedral
B. Trigonal planar
C. Octahedral
D. Square planar
6. Which of the following ligands causes the strongest crystal field splitting
A. Cl-
B. Br-
C. F-
D. CN-
7. Which of the following is an example of a bidentate ligand?
A. H2O
B. Ethylene diamine
C. Cl-
D. NH3
8. Which rule determines the stability of a complex
A. VSEPR theory
B. Octet rule
C. Effective atomic number rule
D. Crystal field theory
9. What is the hybridization of the central metal ion in [Ni(CO)4]?
A. dsp2
B. sp3d2
C. sp2d
D. sp3
10. What is the IUPAC name of [Cu(NH3)4]SO4?
A. Tetraamminecopper(I) nitrate
B. Hexaamminecopper(II) sulfate
C. Tetraamminecopper(II) sulfate
D. Tetraamminecopper(I) sulfate
11. What is the coordination number of the central metal atom in [Cr(NH3)3Cl3]?
A. 3
B. 6
C. 2
D. 4
12. What is the color of [Cu(NH3)4]2+ in aqueous solution?
A. Colorless
B. Yellow
C. Green
D. Deep blue
13. Which rule is used to determine the stability of a complex?
A. 18-electron rule
B. Crystal Field Stabilization Energy
C. Lewis acid-base theory
D. Chelate effect
14. Which of the following ligands can act as an ambidentate ligand?
A. NO2-
B. H2O
C. SCN-
D. CN-
15. Which theory explains the color of coordination compounds?
A. Molecular Orbital Theory
B. Crystal Field Theory
C. Valence Bond Theory
D. Bohr Theory
16. What is the IUPAC name of [Pt(NH3)2Cl2]?
A. Diamminedichloroplatinum(IV)
B. Diamminedichloroplatinum(II)
C. Tetraamminedichloroplatinum(II)
D. Tetraamminedichloroplatinum(IV)
17. Which of the following ligands is a strong field ligand?
A. CN-
B. NH3
C. H2O
D. Cl-
18. What is the oxidation state of Fe in [Fe(CN)6]4-?
A. +2
B. +1
C. +3
D. 0
19. Which isomer of [Pt(NH3)2Cl2] is more active as an anti-cancer drug?
A. Cis
B. Trans
C. None
D. Both cis and trans
20. Which type of isomerism is exhibited by [Co(en)2Cl2]+
A. Geometrical
B. Optical
C. Linkage
D. Coordination
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