Draw the structural formula of each of the following :

Alkyne

(a) No corresponding alkyne

(b) Ethyne

(c) Propyne

(d) Butyne — Position isomers
    (i) 1-butyne     (ii) 2-butyne

(e) Pentyne — Position isomers
    (i) 1-pentyne     (ii) 2-pentyne
    — Chain isomer
    (i) 3-methyl but-1-yne

Draw the structural formula of each of the following :

Alcohol

(a) Methanol [methyl alcohol]

(b) Ethanol [ethyl alcohol]

(c) Propanol — Position isomers
    (i) 1-propanol [n-propylalcohol]
    (ii) 2-propanol [iso-propylalcohol]

(d) Butanol — Position isomers
    (i) 1-butanol
    (ii) 2-butanol
    — Chain isomers
    (i) 2-methyl propan-1-ol
    (ii) 2-methyl propan-2-ol

(e) Pentanol — Position isomers
    (i) 1-pentanol
    (i) 2-pentanol
    (i) 3-pentanol

Draw the structural formula of each of the following :

Carboxylic acids

(a) Methanoic acid [formic acid]

(b) Ethanoic acid [acetic acid]

(c) Propanoic acid [propionic acid]

(d) Butanoic acid [butyric acid] — Chain isomer
    (i) 2-methyl propanoic acid [iso-butyriac acid]

Draw the structural formula of each of the following :

Ketones

(a) Propanone [acetone]

(b) 2-Butanone [ethyl methyl ketone]

(c) 3-Pentanone [diethyl ketone]