Werner’s Theory NEET Questions

Inorganic Chemistry - Coordination Compounds

Werner’s Theory MCQ Questions


7.
Werner's theory was proposed in the year:
A.
1866
B.
1898
C.
1913
D.
1893
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ANSWER :
B. 1898
8.
Werner was awarded the Nobel Prize in Chemistry in:
A.
1919
B.
1905
C.
1898
D.
1913
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ANSWER :
D. 1913
9.
Which of the following is NOT a postulate of Werner's theory?
A.
Metals show two types of valences — primary and secondary
B.
Primary valences are ionizable and satisfied by negative ions
C.
Secondary valences have fixed spatial arrangements (coordination polyhedra)
D.
Both primary and secondary valences are equal in number
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ANSWER :
D. Both primary and secondary valences are equal in number
10.
According to Werner, the spatial arrangement of ligands around the central metal is called:
A.
Coordination number
B.
Coordination sphere
C.
Coordination entity
D.
Coordination polyhedron
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ANSWER :
D. Coordination polyhedron
11.
The atoms/ions/groups within the square brackets in a complex constitute the:
A.
Free ligands
B.
Coordination entity / Coordination sphere
C.
Outer sphere
D.
Counter ions
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ANSWER :
B. Coordination entity / Coordination sphere
12.
Werner's theory could explain which of the following?
A.
Geometry, isomerism, and basic structure of coordination compounds
B.
Magnetic susceptibility quantitatively
C.
Crystal field splitting
D.
Quantum mechanical bonding
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ANSWER :
A. Geometry, isomerism, and basic structure of coordination compounds