Which chemical group is most likely to be responsible for an organic molecule behaving as a base?

A.hydroxyl


B.carbonyl


C.carboxyl


D.amino


E.phosphate|||D.amino





Hydoroxyls bound to carbon tend not to ionize (alcohols) or be weak acids (phenols).|||Don't go by the answer that novangelis put. It's wrong. It's A. Hydroxyl, the answer Dagmara P put below.

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|||Of all the listed groups the ones with basic properties are hydroxyl and amino groups. The hydroxyl group has stronger basic properties than the other one, thus answer A.