Write the structure for the compounds having the IUPAC names :
(a) 3-Ethyl-2-methylpentane `" "` (b) 2, 3, 5-Trimethylhexane
(c) 2,3,5-Trimethyl-4-propylheptane

Explanation

(a) `H_(3)C-underset(CH_(3))underset(|)CH-underset(CH_(2)CH_(3))underset(|)CH-CH_(2)CH_(3)`
(b) `CH_(3)-underset(CH_(3))underset(|)CH- CH_(2)-underset(CH_(3))underset(|)CH-underset(CH_(3))underset(|)CH-CH_(3)`
(c) `CH_(3)CH_(2)underset(CH_(3))underset(|)CH-underset(CH_(3))underset(|)underset(CH_(2))underset(|)underset(CH_(2))underset(|)CH-underset(CH_(3))underset(|)CH-underset(CH_(3))underset(|)CH-CH_(3)`