Structural isomers of 2 3 dimethylbutane July 8, 2019 16 32 64 128 Number of structural isomers formed on monochlorination of 2 3 dimethylbutane Maximum number of structural isomers obtained on monochlorination of 2 3 dimethylbutane 2 methyl 2 butanol 2 metil 2 butena + h2 3 methylhexane