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


1.
According to Valence Bond Theory (VBT), a coordinate bond between the metal ion and a ligand is formed when the ligand donates an electron pair into a/an:
A.
Anti-bonding orbital of the ligand
B.
Filled orbital of the metal ion
C.
Empty hybrid orbital of the metal ion
D.
Half-filled orbital of the metal ion
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ANSWER :
C. Empty hybrid orbital of the metal ion
2.
According to Valence Bond Theory, the number of empty hybrid orbitals made available by the metal ion for bonding is equal to its:
A.
Oxidation number
B.
Group number
C.
Coordination number
D.
Atomic number
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ANSWER :
C. Coordination number
3.
In Valence Bond Theory, the specific geometry of a coordination complex (such as tetrahedral, square planar, or octahedral) is determined by the type of:
A.
Charge on the ligand alone
B.
Hybridization of the metal orbitals
C.
Atomic mass of the metal
D.
Colour of the complex
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ANSWER :
B. Hybridization of the metal orbitals
4.
A coordination compound with coordination number 4 and tetrahedral geometry involves which type of hybridization of the metal ion?
A.
dsp² hybridization
B.
sp³ hybridization
C.
sp hybridization
D.
sp³d² hybridization
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ANSWER :
B. sp³ hybridization
5.
A coordination compound with coordination number 4 and square planar geometry involves which type of hybridization of the metal ion?
A.
sp³d² hybridization
B.
d²sp³ hybridization
C.
dsp² hybridization
D.
sp³ hybridization
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ANSWER :
C. dsp² hybridization
6.
A coordination compound with coordination number 6 and octahedral geometry involves which two possible types of hybridization of the metal ion?
A.
sp or sp² hybridization
B.
dsp³ or sp³d hybridization
C.
sp³d² or d²sp³ hybridization
D.
sp³ or dsp² hybridization
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ANSWER :
C. sp³d² or d²sp³ hybridization