Which is the best description of a carbonyl group?
A)an oxygen joined to a carbon by a single covalent bond
B)a nitrogen and two hydrogens joined to a carbon by covalent bonds
C)a carbon joined to two hydrogens by single covalent bonds
D)a sulfur and a hydrogen joined to a carbon by covalent bonds
E)a carbon atom joined to an oxygen by a double covalent bond

Question

Quizplus · Accepted Answer

A carbonyl group is a functional group composed of a carbon atom joined to an oxygen atom by a double covalent bond. Thus, choice E is the correct description of a carbonyl group. The other choices describe different functional groups.

Which Is the Best Description of a Carbonyl Group