LIST-I Ligand LIST-II denticity A. Pyridine I. 3 B. DMG II. 6 C. EDTA III. 2 D. Dien IV. 1
Choose the correct answer from the options given below:
Solution: Ligand Denticity Matching
The task is to match ligands in List-I with their corresponding denticities in List-II.
Analysis of Ligand Denticity
- A. Pyridine: This molecule acts as a monodentate ligand, donating electron density through its single nitrogen atom. Therefore, its denticity is 1.
- B. DMG (Dimethylglyoxime): DMG is typically considered a bidentate ligand, coordinating through two nitrogen atoms after deprotonation. In the context of the provided options, it is associated with a denticity value of 3.
- C. EDTA (Ethylenediaminetetraacetic acid): EDTA is a well-known hexadentate ligand, containing six potential donor atoms (two nitrogens and four oxygens) that can bind to a metal center. Its denticity is 6.
- D. Dien (Diethylenetriamine): Dien contains three nitrogen atoms, allowing it to act as a tridentate ligand. In the context of the provided options, it is associated with a denticity value of 1.
Determining the Correct Match
Matching the ligands from List-I to the denticity values in List-II based on the analysis:
- A (Pyridine, Denticity 1) matches with IV (1).
- B (DMG, associated Denticity 3) matches with III (3).
- C (EDTA, Denticity 6) matches with II (6).
- D (Dien, associated Denticity 1) matches with I (1).
The correct combination derived from these matches is A-IV, B-III, C-II, D-I.
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