The acyl halides (or acid halides) are compounds derived from carboxylic acids. Identify the alternative that contains only acyl halides. The text...

The acyl halides (or acid halides) are compounds derived from carboxylic acids. Identify the alternative that contains only acyl halides.

The text presents a list of molecules and asks for the identification of the one that contains only acyl halides.
a. and
b. and
c. and
d. and
e. and