(a) What is meant by a functional group? Explain with an example
(b) Write three common functional groups present in organic compounds. Give their symbols formula
(c) Name the function groups present in the following compounds:
(i) `CH_(3)COOH,(ii) CH_(3)CH_(2)CHO,(iii)C_(2)H_(5)OH,(iv)CH_(3)COCH_(2)CH_(3)`
(d) Name the functional group which always occurs in the middle of a carbon chain.
Draw the structures for the following compounds:
(i) Ethanal, (ii) Propanal,(iii) Butanal,(iv) Pentanal

Answer

(d) Ketone group, -CO-