Bonding-Valence Bond Approach and Basic Ideas of Crystal Field Theory, Colour and Magnetic Properties NEET Questions

Inorganic Chemistry - Coordination Compounds

Bonding-Valence Bond Approach and Basic Ideas of Crystal Field Theory, Colour and Magnetic Properties MCQ Questions


7.
A coordination compound with coordination number 2 and linear geometry, such as [Ag(NH₃)₂]⁺, involves which type of hybridization of the metal ion?
A.
sp³ hybridization
B.
dsp² hybridization
C.
sp² hybridization
D.
sp hybridization
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ANSWER :
D. sp hybridization
8.
A coordination complex in which the metal ion uses its inner (n-1)d orbitals for hybridization (giving d²sp³ hybridization) is called a/an:
A.
Ionic complex
B.
Neutral complex
C.
Inner orbital complex (or low spin complex)
D.
Outer orbital complex (or high spin complex)
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ANSWER :
C. Inner orbital complex (or low spin complex)
9.
A coordination complex in which the metal ion uses its outer nd orbitals for hybridization (giving sp³d² hybridization) is called a/an:
A.
Outer orbital complex (or high spin complex)
B.
Covalent complex
C.
Homoleptic complex
D.
Inner orbital complex (or low spin complex)
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ANSWER :
A. Outer orbital complex (or high spin complex)
10.
In the complex [Co(NH₃)₆]³⁺, cobalt is present as Co³⁺ (3d⁶ configuration), and the complex is diamagnetic, involving which type of hybridization?
A.
sp³ hybridization
B.
dsp² hybridization
C.
sp³d² (outer orbital, high spin complex)
D.
d²sp³ (inner orbital, low spin complex)
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ANSWER :
D. d²sp³ (inner orbital, low spin complex)
11.
In the complex [CoF₆]³⁻, cobalt is present as Co³⁺ (3d⁶ configuration), and the complex is paramagnetic with four unpaired electrons, involving which type of hybridization?
A.
sp³d² (outer orbital, high spin complex)
B.
d²sp³ (inner orbital, low spin complex)
C.
dsp² hybridization
D.
sp³ hybridization
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ANSWER :
A. sp³d² (outer orbital, high spin complex)
12.
The complex [Ni(NH₃)₆]²⁺ (Ni²⁺, 3d⁸ configuration) is paramagnetic and involves sp³d² hybridization, forming a/an:
A.
Inner orbital octahedral complex
B.
Outer orbital octahedral complex
C.
Square planar complex
D.
Tetrahedral complex
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ANSWER :
B. Outer orbital octahedral complex