Write down (a) condensed and (b) skeletal structural formulas for isomers of an organic substance whose chemical formula has 5 carbon atoms and 12 hydrogen atoms and (c) provide the common name for each of the isomers

Answer 1

C5H12

so there are no double bonds or equivalents

CH3(CH2)3CH3 (pentane)

(CH3)2CHCH2CH3 (2 methyl butane)

CH3(CH3)2CCH3 (2,2 dimethyl propane)