Draw the structures for the following compounds.
(i) Ethanoic acid , (ii) Bromopentane
(iii) Butanone , (iv) Hexanal

Explanation

Are structural isomers possible for bromopentane? (i) `CH_(3)COOH,H-overset(H)overset(|)underset(H)underset(|)C-overset(O)overset(||)C-OH`
(ii) There are many structural isomers possible for bromopentane. Among them, the structures of three isomers are given.
`CH_(3)CH_(2)CH_(2)CH_(2)CH_(2)Br,H-overset(H)overset(|)underset(H)underset(|)C-overset(H)overset(|)underset(H)underset(|)C-overset(H)overset(|)underset(H)underset(|)Coverset(H)overset(|)underset(H)underset(|)C-overset(H)overset(|)underset(H)underset(|)C-Br`
`H-overset(H)overset(|)underset(H)underset(|)C-overset(H)overset(|)underset(H)underset(|)C-overset(H)overset(|)underset(H)underset(|)C-overset(H)overset(|)underset(Br)underset(|)C-overset(H)overset(|)underset(H)underset(|)C-H`
`H-overset(H)overset(|)underset(H)underset(|)C-overset(H)overset(|)underset(H)underset(|)C-overset(H)overset(|)underset(Br)underset(|)C-overset(H)overset(|)underset(H)underset(|)C-overset(H)overset(|)underset(H)underset(|)C-H`
(iii) `CH_(3)CH_(2)COCH_(3),H-overset(H)overset(|)underset(H)underset(|)C-overset(H)overset(|)underset(H)underset(|)C-overset(O)overset(||)C-overset(H)overset(|)underset(H)underset(|)C-H`
(iv) `CH_(3)CH_(2)CH_(2)CH_(2)CH_(2)CHO,H-overset(H)overset(|)underset(H)underset(|)C-overset(H)overset(|)underset(H)underset(|)C-overset(H)overset(|)underset(H)underset(|)C-overset(H)overset(|)underset(H)underset(|)C-overset(H)overset(|)underset(H)underset(|)C-overset(O)overset(||)C-H`