What is the name of a branch on the principal carbon chain that contains three carbon atoms?
A)pentyl
B)propyl
C)ethyl
D)methyl

Question

Quizplus · Accepted Answer

A branch on the principal carbon chain that contains three carbon atoms is called a propyl group. Propyl groups can be added to the main carbon chain as a substituent or can form part of the main chain itself. The other options listed are not appropriate since they refer to branches that contain five (pentyl), two (ethyl), or one (methyl) carbon atoms.

What Is the Name of a Branch on the Principal