Take 5 chapter-wise practice tests of 25 questions each on Coordination Compounds for NEET with +4/-1 scoring, answer review, and concise explanations.
5 original practice tests, 25 questions each, NEET 4/-1 marking, and answer review after submission.
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1. A coordination compound contains a central metal atom/ion bonded to:
Explanation: Ligands donate electron pairs to the metal.
2. A ligand is a species that:
Explanation: Ligands act as Lewis bases.
3. Coordination number means the number of:
Explanation: Each donor atom counts toward coordination number.
4. A bidentate ligand can attach through:
Explanation: Examples include oxalate and ethylenediamine.
5. In [Co(NH$_3$)$_6$]Cl$_3$, the ions outside the coordination sphere are:
Explanation: Species outside brackets ionize in solution.
6. Oxidation state of Co in [Co(NH$_3$)$_6$]Cl$_3$ is:
Explanation: NH$_3$ is neutral and three Cl$^-$ are counter ions.
7. The suffix used for anionic metal complex names is generally:
Explanation: Ferrate, cuprate, etc. follow this pattern.
8. Compounds with same formula but different arrangement of ligands are called:
Explanation: Coordination chemistry shows several kinds of isomerism.
9. Square-planar and octahedral complexes commonly show:
Explanation: cis-trans forms are classic examples.
10. A complex that is non-superimposable on its mirror image shows:
Explanation: Some octahedral complexes are chiral.
11. Werner's theory distinguished primary valency from:
Explanation: Primary valency is ionizable; secondary valency is coordination.
12. An octahedral complex commonly has coordination number:
Explanation: Six donor atoms surround the central metal.
13. Many coordination compounds are colored mainly due to:
Explanation: Ligand field splitting leads to absorption in visible region.
14. Magnetic behavior of complexes depends largely on:
Explanation: Strong vs weak ligands can change pairing.
15. CN$^-$ is generally classified as a:
Explanation: It often causes electron pairing.
16. H$_2$O is generally considered a:
Explanation: It often gives high-spin complexes.
17. EDTA is a:
Explanation: It can bind through six donor atoms.
18. Complex formation is important in analytical chemistry because it helps in:
Explanation: Chelation and stability are useful analytically.
19. In naming [Cu(NH$_3$)$_4$]SO$_4$, NH$_3$ is written as:
Explanation: NH$_3$ ligand is named ammine with double m.
20. Species outside square brackets in a coordination compound generally act as:
Explanation: They balance charge and ionize in water.
21. Chelate complexes are often more stable because of:
Explanation: Multidentate binding increases complex stability.
22. A common fast route in this chapter is: identify ligand charge, find oxidation state, then determine:
Explanation: That sequence solves many objective items quickly.
23. The most repeated NEET areas in coordination compounds are nomenclature, oxidation state, isomerism, and:
Explanation: Color and magnetism come from ligand-field effects.
24. The number of ions produced in aqueous solution depends mainly on species:
Explanation: Only counter ions ionize directly.
25. H$_2$O as ligand is named:
Explanation: Neutral water ligand is called aqua.
26. A coordination compound contains a central metal atom/ion bonded to:
Explanation: Ligands donate electron pairs to the metal.
27. A ligand is a species that:
Explanation: Ligands act as Lewis bases.
28. Coordination number means the number of:
Explanation: Each donor atom counts toward coordination number.
29. A bidentate ligand can attach through:
Explanation: Examples include oxalate and ethylenediamine.
30. In [Co(NH$_3$)$_6$]Cl$_3$, the ions outside the coordination sphere are:
Explanation: Species outside brackets ionize in solution.
31. Oxidation state of Co in [Co(NH$_3$)$_6$]Cl$_3$ is:
Explanation: NH$_3$ is neutral and three Cl$^-$ are counter ions.
32. The suffix used for anionic metal complex names is generally:
Explanation: Ferrate, cuprate, etc. follow this pattern.
33. Compounds with same formula but different arrangement of ligands are called:
Explanation: Coordination chemistry shows several kinds of isomerism.
34. Square-planar and octahedral complexes commonly show:
Explanation: cis-trans forms are classic examples.
35. A complex that is non-superimposable on its mirror image shows:
Explanation: Some octahedral complexes are chiral.
36. Werner's theory distinguished primary valency from:
Explanation: Primary valency is ionizable; secondary valency is coordination.
37. An octahedral complex commonly has coordination number:
Explanation: Six donor atoms surround the central metal.
38. Many coordination compounds are colored mainly due to:
Explanation: Ligand field splitting leads to absorption in visible region.
39. Magnetic behavior of complexes depends largely on:
Explanation: Strong vs weak ligands can change pairing.
40. CN$^-$ is generally classified as a:
Explanation: It often causes electron pairing.
41. H$_2$O is generally considered a:
Explanation: It often gives high-spin complexes.
42. EDTA is a:
Explanation: It can bind through six donor atoms.
43. Complex formation is important in analytical chemistry because it helps in:
Explanation: Chelation and stability are useful analytically.
44. In naming [Cu(NH$_3$)$_4$]SO$_4$, NH$_3$ is written as:
Explanation: NH$_3$ ligand is named ammine with double m.
45. Species outside square brackets in a coordination compound generally act as:
Explanation: They balance charge and ionize in water.
46. Chelate complexes are often more stable because of:
Explanation: Multidentate binding increases complex stability.
47. A common fast route in this chapter is: identify ligand charge, find oxidation state, then determine:
Explanation: That sequence solves many objective items quickly.
48. The most repeated NEET areas in coordination compounds are nomenclature, oxidation state, isomerism, and:
Explanation: Color and magnetism come from ligand-field effects.
49. The number of ions produced in aqueous solution depends mainly on species:
Explanation: Only counter ions ionize directly.
50. H$_2$O as ligand is named:
Explanation: Neutral water ligand is called aqua.
51. A coordination compound contains a central metal atom/ion bonded to:
Explanation: Ligands donate electron pairs to the metal.
52. A ligand is a species that:
Explanation: Ligands act as Lewis bases.
53. Coordination number means the number of:
Explanation: Each donor atom counts toward coordination number.
54. A bidentate ligand can attach through:
Explanation: Examples include oxalate and ethylenediamine.
55. In [Co(NH$_3$)$_6$]Cl$_3$, the ions outside the coordination sphere are:
Explanation: Species outside brackets ionize in solution.
56. Oxidation state of Co in [Co(NH$_3$)$_6$]Cl$_3$ is:
Explanation: NH$_3$ is neutral and three Cl$^-$ are counter ions.
57. The suffix used for anionic metal complex names is generally:
Explanation: Ferrate, cuprate, etc. follow this pattern.
58. Compounds with same formula but different arrangement of ligands are called:
Explanation: Coordination chemistry shows several kinds of isomerism.
59. Square-planar and octahedral complexes commonly show:
Explanation: cis-trans forms are classic examples.
60. A complex that is non-superimposable on its mirror image shows:
Explanation: Some octahedral complexes are chiral.
61. Werner's theory distinguished primary valency from:
Explanation: Primary valency is ionizable; secondary valency is coordination.
62. An octahedral complex commonly has coordination number:
Explanation: Six donor atoms surround the central metal.
63. Many coordination compounds are colored mainly due to:
Explanation: Ligand field splitting leads to absorption in visible region.
64. Magnetic behavior of complexes depends largely on:
Explanation: Strong vs weak ligands can change pairing.
65. CN$^-$ is generally classified as a:
Explanation: It often causes electron pairing.
66. H$_2$O is generally considered a:
Explanation: It often gives high-spin complexes.
67. EDTA is a:
Explanation: It can bind through six donor atoms.
68. Complex formation is important in analytical chemistry because it helps in:
Explanation: Chelation and stability are useful analytically.
69. In naming [Cu(NH$_3$)$_4$]SO$_4$, NH$_3$ is written as:
Explanation: NH$_3$ ligand is named ammine with double m.
70. Species outside square brackets in a coordination compound generally act as:
Explanation: They balance charge and ionize in water.
71. Chelate complexes are often more stable because of:
Explanation: Multidentate binding increases complex stability.
72. A common fast route in this chapter is: identify ligand charge, find oxidation state, then determine:
Explanation: That sequence solves many objective items quickly.
73. The most repeated NEET areas in coordination compounds are nomenclature, oxidation state, isomerism, and:
Explanation: Color and magnetism come from ligand-field effects.
74. The number of ions produced in aqueous solution depends mainly on species:
Explanation: Only counter ions ionize directly.
75. H$_2$O as ligand is named:
Explanation: Neutral water ligand is called aqua.
76. A coordination compound contains a central metal atom/ion bonded to:
Explanation: Ligands donate electron pairs to the metal.
77. A ligand is a species that:
Explanation: Ligands act as Lewis bases.
78. Coordination number means the number of:
Explanation: Each donor atom counts toward coordination number.
79. A bidentate ligand can attach through:
Explanation: Examples include oxalate and ethylenediamine.
80. In [Co(NH$_3$)$_6$]Cl$_3$, the ions outside the coordination sphere are:
Explanation: Species outside brackets ionize in solution.
81. Oxidation state of Co in [Co(NH$_3$)$_6$]Cl$_3$ is:
Explanation: NH$_3$ is neutral and three Cl$^-$ are counter ions.
82. The suffix used for anionic metal complex names is generally:
Explanation: Ferrate, cuprate, etc. follow this pattern.
83. Compounds with same formula but different arrangement of ligands are called:
Explanation: Coordination chemistry shows several kinds of isomerism.
84. Square-planar and octahedral complexes commonly show:
Explanation: cis-trans forms are classic examples.
85. A complex that is non-superimposable on its mirror image shows:
Explanation: Some octahedral complexes are chiral.
86. Werner's theory distinguished primary valency from:
Explanation: Primary valency is ionizable; secondary valency is coordination.
87. An octahedral complex commonly has coordination number:
Explanation: Six donor atoms surround the central metal.
88. Many coordination compounds are colored mainly due to:
Explanation: Ligand field splitting leads to absorption in visible region.
89. Magnetic behavior of complexes depends largely on:
Explanation: Strong vs weak ligands can change pairing.
90. CN$^-$ is generally classified as a:
Explanation: It often causes electron pairing.
91. H$_2$O is generally considered a:
Explanation: It often gives high-spin complexes.
92. EDTA is a:
Explanation: It can bind through six donor atoms.
93. Complex formation is important in analytical chemistry because it helps in:
Explanation: Chelation and stability are useful analytically.
94. In naming [Cu(NH$_3$)$_4$]SO$_4$, NH$_3$ is written as:
Explanation: NH$_3$ ligand is named ammine with double m.
95. Species outside square brackets in a coordination compound generally act as:
Explanation: They balance charge and ionize in water.
96. Chelate complexes are often more stable because of:
Explanation: Multidentate binding increases complex stability.
97. A common fast route in this chapter is: identify ligand charge, find oxidation state, then determine:
Explanation: That sequence solves many objective items quickly.
98. The most repeated NEET areas in coordination compounds are nomenclature, oxidation state, isomerism, and:
Explanation: Color and magnetism come from ligand-field effects.
99. The number of ions produced in aqueous solution depends mainly on species:
Explanation: Only counter ions ionize directly.
100. H$_2$O as ligand is named:
Explanation: Neutral water ligand is called aqua.
101. A coordination compound contains a central metal atom/ion bonded to:
Explanation: Ligands donate electron pairs to the metal.
102. A ligand is a species that:
Explanation: Ligands act as Lewis bases.
103. Coordination number means the number of:
Explanation: Each donor atom counts toward coordination number.
104. A bidentate ligand can attach through:
Explanation: Examples include oxalate and ethylenediamine.
105. In [Co(NH$_3$)$_6$]Cl$_3$, the ions outside the coordination sphere are:
Explanation: Species outside brackets ionize in solution.
106. Oxidation state of Co in [Co(NH$_3$)$_6$]Cl$_3$ is:
Explanation: NH$_3$ is neutral and three Cl$^-$ are counter ions.
107. The suffix used for anionic metal complex names is generally:
Explanation: Ferrate, cuprate, etc. follow this pattern.
108. Compounds with same formula but different arrangement of ligands are called:
Explanation: Coordination chemistry shows several kinds of isomerism.
109. Square-planar and octahedral complexes commonly show:
Explanation: cis-trans forms are classic examples.
110. A complex that is non-superimposable on its mirror image shows:
Explanation: Some octahedral complexes are chiral.
111. Werner's theory distinguished primary valency from:
Explanation: Primary valency is ionizable; secondary valency is coordination.
112. An octahedral complex commonly has coordination number:
Explanation: Six donor atoms surround the central metal.
113. Many coordination compounds are colored mainly due to:
Explanation: Ligand field splitting leads to absorption in visible region.
114. Magnetic behavior of complexes depends largely on:
Explanation: Strong vs weak ligands can change pairing.
115. CN$^-$ is generally classified as a:
Explanation: It often causes electron pairing.
116. H$_2$O is generally considered a:
Explanation: It often gives high-spin complexes.
117. EDTA is a:
Explanation: It can bind through six donor atoms.
118. Complex formation is important in analytical chemistry because it helps in:
Explanation: Chelation and stability are useful analytically.
119. In naming [Cu(NH$_3$)$_4$]SO$_4$, NH$_3$ is written as:
Explanation: NH$_3$ ligand is named ammine with double m.
120. Species outside square brackets in a coordination compound generally act as:
Explanation: They balance charge and ionize in water.
121. Chelate complexes are often more stable because of:
Explanation: Multidentate binding increases complex stability.
122. A common fast route in this chapter is: identify ligand charge, find oxidation state, then determine:
Explanation: That sequence solves many objective items quickly.
123. The most repeated NEET areas in coordination compounds are nomenclature, oxidation state, isomerism, and:
Explanation: Color and magnetism come from ligand-field effects.
124. The number of ions produced in aqueous solution depends mainly on species:
Explanation: Only counter ions ionize directly.
125. H$_2$O as ligand is named:
Explanation: Neutral water ligand is called aqua.