Question

write the structure possible isomer of C5H10O2​

Answer 1

Answer:

So 4 carboxylic acid isomers are possible.

Answer 2

Answer:

It can be represented as C4H9-COOH

Now C4H9 i.e. butyl group can take 4 different structures hence 4 structural isomers will be possible. Four different structures for butyl are

n-butyl, iso-butyl, sec-butyl and tert-butyl.