Werner’s Theory NEET Questions

Inorganic Chemistry - Coordination Compounds

Werner’s Theory MCQ Questions


7.
Which statement is incorrect regarding Werner’s theory?
A.
It explains geometry of complexes
B.
It explains color of complexes
C.
It gives concept of coordination number
D.
It distinguishes between primary and secondary valency
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ANSWER :
B. It explains color of complexes
8.
In [Pt(NH₃)₂Cl₂], according to Werner’s theory, the number of ionisable Cl⁻ ions is

NEET - 2016

A.
0
B.
1
C.
2
D.
3
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ANSWER :
C. 2
9.
Werner gave his theory in which year?
A.
1893
B.
1916
C.
1904
D.
1869
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ANSWER :
A. 1893
10.
The secondary valency in coordination compounds is satisfied by
A.
Only neutral ligands
B.
Only negative ions
C.
Negative ions and neutral ligands
D.
None of these
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ANSWER :
C. Negative ions and neutral ligands
11.
The number of secondary valencies in [Cr(NH₃)₄Cl₂]Cl is
A.
4
B.
5
C.
6
D.
3
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ANSWER :
C. 6
12.
Which of the following best represents Werner’s theory?
A.
Bonding involves hybrid orbitals
B.
There are fixed primary and secondary valencies
C.
Ligands form pi bonds
D.
Complexes are always neutral
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ANSWER :
B. There are fixed primary and secondary valencies