Introduction to Coordination Compounds NEET Questions

Inorganic Chemistry - Coordination Compounds

Introduction to Coordination Compounds MCQ Questions


1.
Pentacarbonyliron(0) [Fe(CO)5] has which geometry?
A.
Square pyramidal
B.
Trigonal bipyramidal
C.
Octahedral
D.
Tetrahedral
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ANSWER :
B. Trigonal bipyramidal
2.
Which of the following has square pyramidal Mn(CO)5 units?
A.
[Cr(CO)6]
B.
[Mn2(CO)10]
C.
[Co2(CO)8]
D.
[Ni(CO)4]
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ANSWER :
B. [Mn2(CO)10]
3.
According to Crystal Field Theory, in an octahedral complex, the d-orbitals split into:
A.
Lower energy t2g (3 orbitals) and higher energy eg (2 orbitals)
B.
Two sets of equal energy orbitals
C.
Three sets of orbitals
D.
Lower energy eg (2 orbitals) and higher energy t2g (3 orbitals)
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ANSWER :
A. Lower energy t2g (3 orbitals) and higher energy eg (2 orbitals)
4.
In a tetrahedral complex, the d-orbital splitting is:
A.
Larger than octahedral splitting
B.
Same as octahedral
C.
Equal to square planar splitting
D.
Inverted compared to octahedral with smaller magnitude (Ξ”t = 4/9 Ξ”o)
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ANSWER :
D. Inverted compared to octahedral with smaller magnitude (Ξ”t = 4/9 Ξ”o)
5.
The correct order of ligands in the spectrochemical series (increasing field strength) is:
A.
I- < Br- < Cl- < F- < H2O < NH3 < CN- < CO
B.
CO < CN- < NH3 < H2O < F- < Cl- < Br- < I-
C.
NH3 < CN- < H2O < Cl- < CO < I-
D.
F- < Cl- < I- < H2O < NH3 < CO < CN-
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ANSWER :
A. I- < Br- < Cl- < F- < H2O < NH3 < CN- < CO
6.
Which of the following is a strong field ligand?
A.
F-
B.
CN-
C.
H2O
D.
Cl-
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ANSWER :
B. CN-