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Coordination Compounds
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Class 12th
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Chemistry
» Part-1 » Unit 9: Coordination Compounds
Objective Questions (MCQs)
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Coordination Compounds
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» Part-1 » Unit 9: Coordination Compounds
Objective Questions (MCQs)
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Multiple Choice
ID- 13832
BSEB, 2020 (A)
1. Coordination number of Cr in Na
3
[Cr(C
2
O
4
)
3
] is:
(A) 3
(B) 4
(C) 5
(D) 6
Multiple Choice
ID- 13852
BSEB, 2020 (A)
2. The oxidation number of Ni in [Ni(CO)
4
] is
(A) 0
(B) 2
(C) 3
(D) 4
Multiple Choice
ID- 13853
BSEB, 2019 (C)
3. Ligands are capable of donating atleast:
(A) one pair of electrons
(B) one electron
(C) three electron
(D) all of these
Multiple Choice
ID- 13856
BSEB, 2015
4. K
2
[Fe(CN)
6
] is a/an:
(A) double salt
(B) complex salt
(C) acid
(D) base
Multiple Choice
ID- 13859
BSEB, 2012, 2016, 2020 (A)
5. Which of the following compounds has tetrahedral geometry?
(A) [Ni(CN)
4
]
2–
(B) [Pd(CN)
4
]
2–
(C) [PdCl
4
]
2–
(D) [NiCl
4
]
2–
Multiple Choice
ID- 13861
BSEB, 2011
6. The number of possible isomers for the complex [Co (C
2
O
4
)
2
(NH
3
)
2
]
–
:
(A) 1
(B) 2
(C) 3
(D) 4
Multiple Choice
ID- 13862
BSEB, 2009, 2012
7. The oxidation state of nickel in [Ni(CO
4
)] is:
(A) 1
(B) 4
(C) 2
(D) 3
Multiple Choice
ID- 13912
BSEB, 2018 (C)
8. Ammonia gas when passed through CuSO
4
solution gives deep blue colouration of:
(A) [Cu(NH
3
)
4
SO
4
(B) [Cu(NH
3
)
6
SO
4
(C) [Cu(NH
3
)
2
SO
4
(D) CuSO
4
·4NH
3
Multiple Choice
ID- 13913
BSEB, 2018 (C)
9. Which complex has dsp
2
-hybridization of the central metal atom?
(A) [Fe(CO)
5
]
(B) [Ni(CO)
4
]
(C) [Ni(CN)
4
]
2–
(D) [Cr(H
2
O)
6
]
3+
Multiple Choice
ID- 13914
BSEB, 2019 (A)
10. The oxidation number of Fe in K
4
[Fe(CN)
6
] is:
(A) +2
(B) +3
(C) –2
(D) –3
Multiple Choice
ID- 13915
BSEB, 2019 (A)
11. K
3
[Fe(CN)
6
] is a:
(A) Double Salt
(B) Complex compound
(C) Acidic Salt
(D) Common Salt
Multiple Choice
ID- 13916
12. Which of the following ligands form a chelate?
(A) Acetate
(B) Oxalate
(C) Cyanide
(D) Ammonia
Multiple Choice
ID- 13917
13. Which of the following is not a natural ligand?
(A) H
2
O
(B) NH
3
(C) ONO
(D) Co
2
Multiple Choice
ID- 13918
14. Which of the following ligands will not show chelation?
(A) EDTA
(B) DMG
(C) Ethene-1, 2-diamine
(D) SCN
–
Multiple Choice
ID- 13919
15. The correct IUPAC name of the coordination compound K
3
[Fe(CN)
5
NO] is:
(A) potassium pentacyanonitrosylferrate (II)
(B) potassium pentacyanonitroferrate (III)
(C) potassium nitritopentacyanoferrate (IV)
(D) potassium nitritepentacyanoiron (II)
Multiple Choice
ID- 13920
16. The current IUPAC name of the following compound is [Cr(NH
3
)
5
(NCS)] [ZnCl
4
]
(A) pentaammineisothiocyanatochromium (III) tetrachlo-rozincate (II)
(B) pentammineisothiocyanatezinc chloridechromate (III)
(C) pentaammineisothiocyanatochromate (II)
(D) isothiocyanatopentaamminechromium (II) zinc chlo-ride (IV)
Multiple Choice
ID- 13921
17. Correct formula of tetraamminechloronitroplatinum (IV) sulphate can be written as:
(A) [Pt (NH
3
)
4
(ONO) Cl] SO
4
(B) [Pt (NH
3
)
4
Cl
2
NO
2
]
2
SO
4
(C) [Pt (NH
3
)
4
(NO
2
)Cl] SO
4
(D) [PtCl (ONO)NH
3
(SO
4
)]
Multiple Choice
ID- 13922
18. Which of the following isomers will give white precipitate with BaCl
2
solution?
(A) [Co(NH
3
)
5
SO
4
] Br
(B) [Co(NH
3
)
5
Br]SO
4
(C) [Co(NH
3
)
4
(SO
4
)
2
] Br
(D) [Co(NH
3
)
4
Br(SO
4
)]
Multiple Choice
ID- 13923
BSEB, 2021 (A)
19. The oxidation number of Cr in the complex [Cr(H
2
O)
4
Cl
2
]
+
is:
(A) + 1
(B) + 3
(C) + 5
(D) + 6
Multiple Choice
ID- 13924
BSEB, 2021 (A)
20. The co-ordination number of Cr in K
3
[Cr(C
2
O
4
)
3
] is:
(A) 3
(B) 4
(C) 5
(D) 6
Multiple Choice
ID- 14000
BSEB, 2021 (A)
21. The co-ordination compound K
4
[Ni(CN)
4
], the oxidation state of nickel is:
(A) O
(B) + 1
(C) + 2
(D) – 1
Multiple Choice
ID- 14001
BSEB, 2021 (A)
22. The correct formula of hexamine platinum (IV) chloride is:
(A) [Pt(NH
3
)
6
] Cl
4
(B) [Pt(NH
3
)
6
] Cl
2
(C) [Pt(NH
3
)
2
] Cl
3
(D) [Pt(NH
3
)
6
] Cl
6
Multiple Choice
ID- 14002
23. The hybridisation involved in [Co(C
2
O
4
)
3
]
3–
is
(A) sp
3
d
2
(B) sp
3
d
3
(C) dsp
3
(D) d
2
sp
3
Multiple Choice
ID- 14003
24. The lowest value of paramagnetism is shown by:
(A) [Co(CN)
6
]
3–
(B) [Fe(CN)
6
]
3–
(C) [Cr(CN)
6
]
3–
(D) [Mn(CN)
6
]
3–
Multiple Choice
ID- 14004
25. The magnitude of magnetic moment (spin only) of [NiCl
4
]
2–
will be
(A) 2.82 BM
(B) 3.25 BM
(C) 1.23 BM
(D) 5.64 BM
Multiple Choice
ID- 14005
26. Which of the following has largest paramagnetism?
(A) [Cr(H
2
O)
6
]
3+
(B) [Fe(H
2
O)
6
]
2+
(C) [Cu(H
2
O)
6
]
2+
(D) [Zn(H
2
O)
2
]
2+
Multiple Choice
ID- 14006
27. Which of the following complexes will have tetrahedral shape?
(A) [PdCl
4
]
2–
(B) [Pd (CN)
4
]
2–
(C) [Ni(CN)
4
]
2–
(D) [NiCl
4
]
2–
Multiple Choice
ID- 14007
28. Which of the following shall form an octahedral complex?
(A)
d
4
(low spin)
(B)
d
8
(high spin)
(C)
d
6
(low spin)
(D) None of these
Multiple Choice
ID- 14008
29. Among the following compounds which is both paramagnetic and coloured?
(A) K
2
Cr
2
O
7
(B) [Co(SO)
4
]
(C) (NH
4
)
2
[TiCl
6
]
(D) K
3
[Cu(CN)
4
]
Multiple Choice
ID- 14009
30. The spin only magnetic moment value of Cr (CO)
6
is:
(A) 2.84 B.M.
(B) 4.90 B.M.
(C) 5.92 B.M.
(D) 0 B.M.
Multiple Choice
ID- 14010
31. The correct IUPAC name of [Pt(NH
3
)
2
Cl
2
] is:
(A) diamminedichloridoplatinum (II)
(B) diamminedichloridoplatinum (IV)
(C) diamminedichloridoplatinum (0)
(D) diamminedichloridoplatinum (VI)
Multiple Choice
ID- 14011
32. Indicate the complex ion which shows geometrical isomerism
(A) [Cr(H
2
O)
4
Cl
2
]
2
(B) [Pt(NH
3
)
3
Cl]
(C) [Co(NH
3
)
6
]
3+
(D) [Co(CN)
5
(NC)]
3–
Multiple Choice
ID- 14012
33. A chelating agent has two or more than two donor atoms to bind to a single metal ion. Which of the following is not a chelating agent?
(A) Thiosulphato
(B) Oxalato
(C) Glycinato
(D) Ethane-1, 2-diamine
Multiple Choice
ID- 14106
34. What kind of isomerism exists between [Cr(H
2
O)
5
Cl] Cl
2
H
2
O (greyish-green)?
(A) Linkage isomerism
(B) Solvate isomerism
(C) Ionisation isomerism
(D) Coordination isomerism
Multiple Choice
ID- 14225
35. IUPAC name of [Pt(NH
3
2
Cl (NO
2
)] is:
(A) platinum diaminechlornitrite
(B) chlornitrito-N-ammineplatinum (II)
(C) diamminechloridonitrito-N-platinum (II)
(D) diamminechloronitrito-N-platinate (II)
Multiple Choice
ID- 14226
BSEB, 2017 (A)
36. What is the coordination number of Cr in K
3
[Cr(ox)
3
]
(A) 6
(B) 5
(C) 4
(D) 3
Multiple Choice
ID- 14227
BSEB, 2017 (A)
37. The EAN of cobalt in the complex ion [Co(en)
2
Cl
2
]
+
is.
(A) –27
(B) 36
(C) 33
(D) 35
Multiple Choice
ID- 14228
BSEB, 2016 (C)
38. Spelter is:
(A) Pure zinc
(B) Impure zinc
(C) Impure aluminium
(D) Impure merecury
Multiple Choice
ID- 14229
BSEB, 2017 (C)
39. The haybridisation of Fe in K
4
[Fe(CN)
6
] :
(A)
dSp
2
(B)
Sp
2
(C)
d
2
Sp
3
(D)
Sp
3
d
2
Multiple Choice
ID- 14230
BSEB, 2017 (C)
40. [Co(NH
3
)
6
]Cl
3
is which type of complex compound:
(A) Cationic complex
(B) Anionic complex
(C) Neutral complex
(D) None of these
Multiple Choice
ID- 14231
BSEB, 2018 (A)
41. IUPAC name of H
2
[PtCl
6
] is:
(A) Dihexa Chloroplatenic (IV) acid
(B) Hydrogen hexachloro plantinate (II)
(C) Hydrogen hexa chloride Pt (IV)
(D) Hydrogen hexa chlorido Pt (II)
Multiple Choice
ID- 14564
42. Among the following which are ambidentate ligands? (i) $\ce{SCN^–}$ (ii) $\ce{NO^–_3}$ (iii) $\ce{NO^–_2}$ (iv) $\ce{C2O^2–_4}$
(A) (i) and (iii)
(B) (i) and (iv)
(C) (ii) and (iii)
(D) (ii) and (iv)
Multiple Choice
ID- 14565
43. Which of the following species is not expected to be a ligand?
(A) $\ce{NO}$
(B) $\ce{NH^+_4}$
(C) $\ce{NH2CH2CH2NH2}$
(D) $\ce{CO}$