4
(i)
Butanone < Propanone < Propanal < Ethanal
(ii)
Acetophenone < p-Tolualdehyde , Benzaldehyde < p-Nitrobenzaldehyde 8 5
8 6
(i)
3-Phenylpropanoic acid
(ii) 3-Methylbut-2-enoic acid
(iii)
2-Methylcyclopentanecarboxylic acid