Werner’s Theory NEET Questions

Werner’s Theory MCQ Questions

13.
Which ion is ionizable in [Co(NH₃)₅Cl]Cl₂?
A.
NH₃
B.
Cl⁻ inside coordination sphere
C.
Co³⁺
D.
Cl⁻ outside coordination sphere
ANSWER :
D. Cl⁻ outside coordination sphere
14.
Werner’s theory failed to explain
A.
Colour of complexes
B.
Geometry of complexes
C.
Magnetic properties
D.
Coordination number
ANSWER :
C. Magnetic properties
15.
According to Werner, primary valency is satisfied by
A.
Negative ions only
B.
Lone pair donors
C.
Central atom
D.
All of these
ANSWER :
A. Negative ions only
16.
Primary valency of Co in [Co(NH₃)₄Cl₂]Cl is
A.
1
B.
2
C.
3
D.
4
ANSWER :
C. 3
17.
How many secondary valencies are present in [Co(NH₃)₆]Cl₃?
A.
3
B.
4
C.
6
D.
2
ANSWER :
C. 6
18.
Which of the following compounds has all Cl⁻ ionisable?
A.
[CoCl₃·6NH₃]
B.
[Co(NH₃)₅Cl]Cl₂
C.
[Co(NH₃)₄Cl₂]Cl
D.
[Co(NH₃)₃Cl₃]
ANSWER :
A. [CoCl₃·6NH₃]