Draw formulas for the first five members of each homologous series beginning with the following compounds.

(a) H–COOH (b) CH3COCH3 (c) H–CH=CH2

(a) H–COOH: Methanoic acid


CH2-COOH:ethanoic acid


CH2 –CH2-COOH: propanoic acid


CH2-CH2 –CH2-COOH: butanoic acid


CH2-CH2 –CH2-CH2-COOH: pentanoic acid


(b) CH3COCH3: propanone


CH3COCH2CH3 : butanone


CH3COCH2CH2CH3 : Pentan-2-one


CH3COCH2CH2CH2CH3 : Hexan-2-one


CH3COCH2CH2CH2 CH2CH3 : Heptan-2-one


(c) H-CH=CH2: Ethene


CH2-CH=CH2:propene


CH3-CH2-CH=CH2:1-butene


CH3- CH2CH2-CH=CH2:1-pentene


CH3-CH2- CH2CH2-CH=CH2:1-hexene


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