this is for 12th standard some theory notes
THIS TEST IS BASED ON NCERT. OBJECTIVE QUESTION ARE TOO IMPORTANT TO SCORE GOOD RESULTS
Esters are derived from carboxylic acids. A carboxylic acid contains the -COOH group, and in an ester the hydrogen in this group is replaced by a hydrocarbon group of some kind. This could be an alkyl group like methyl or ethyl, or one containing a benzene ring like phenyl.