this is foe class 12
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.
bioniomal theorem is best to find expansion of any equation . if any equation has power n . total terms are n+1