| The correct statements among I to III are: |
| (I) Valence bond theory cannot explain the colour exhibited by transition metal complexes. |
| (II) Valence bond theory can predict quantitatively the magnetic properties of transition metal complexes. |
| (Ill) Valennce bond theory cannot distinguish ligands as weak and strong field ones. |
A) (I), (II) and (III)
B) (II) and (III) only
C) (I) and (II) only
D) (I) and (III) only
Correct Answer: D
Solution :
| I. VBT does not explain colour exhibited by complex of transition metal. |
| II. VBT does not distinguish between strong and weak complex. |
| III. VBT does not give quantitative interpretation of magnetic properties. |
| \[\therefore \]Ascending to question statement I and III are correct. |
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