Question 12.7:

Give condensed and bond line structural formulas and identify the functional group(s)


present, if any, for:


(a)2,2,4-Trimethylpentane
(b)2-Hydroxy-1,2,3-propanetricarboxylic acid
(c) Hexanedial

(a) 2, 2, 4–trimethylpentane
Condensed formula
(CH3)2CHCH2C (CH3)3
Bond line formula
(b) 2–hydroxy–1, 2, 3–propanetricarboxylic acid
Condensed Formula

(COOH)CH2C(OH) (COOH)CH2(COOH)

Bond line formula
The functional groups present in the given compound are carboxylic acid (-COOH) and alcholic 
(-OH) a  groups 
(c) Hexanedial 
Condensed Formula
(CHO) (CH2)4 (CHO)
Bond line formula 
The functional group present in the given compound is aldehyde (-CHO).