MCQ
Which of the following has five donor (coordinating) sites?
- ATriethylene tetramine
- BEthylenediamine tetracetate ion
- ✓Ethylenediamine triacetate ion
- DDiethylene triamine
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Standard entropy change for the above reaction is .....$J\,{K^{ - 1}}\,mo{l^{ - 1}}$

| LIST-I (Reagent) | LIST-II (Functional Group detected) | ||
| A. | Sodium bicarbonate solution | I. | double bond/unsaturation |
| B. | Neutral ferric chloride | II. | carboxylic acid |
| C. | ceric ammonium nitrate | III. | phenolic – OH |
| D. | alkaline $\mathrm{KMnO}_{4}$ | IV. | alcoholic - OH |