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The correct statements among I to III are : (I) Valence bond theory cannot explain the color exhibited by transition metal complexes. (II) Valence bond theory can predict quantitatively the magnetic properties of transition metal complexes. (III) Valennce bond theory cannot distinguish ligands as weak and strong field ones.

1. (I), (II) and (III)
2. (II) and (III) only
3. (I) and (II) only
4. (I) and (III) only

Correct answer: (I) and (III) only

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