Chemistry · Supramolecular Chemistry
The correct depiction of the strongest hydrogen-bonded complex between benzoate anion and receptor A (a macrocyclic diamide receptor) is characterized by which of the following interactions?
- 1Four hydrogen bonds formed between the two carboxylate oxygen atoms of the benzoate anion and the four NH protons of the receptor cavity.✓
- 2Two hydrogen bonds formed between one carboxylate oxygen atom of the benzoate anion and two NH protons of the receptor cavity.
- 3Three hydrogen bonds formed between the benzoate anion and the aromatic CH protons of the receptor.
- 4A single hydrogen bond formed between the benzoate anion and one amide carbonyl group of the receptor.
Correct answer
Four hydrogen bonds formed between the two carboxylate oxygen atoms of the benzoate anion and the four NH protons of the receptor cavity.
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