KEAM 2014 Physics and Chemistry Paper

Number of mono chloro isomers depends upon the types of hydrogen atoms present in the substrate alkane. The structure of 2 -methylbutane is

d

C

H3−

c

C

H2−

b

H

C

|‌ ‌‌‌ C a H3

−

a

C

H3
Because of the presence of four types of hydrogens, it gives four + two (d and 1 forms) = six monochloro products on monochlorination as

+CH2ClCH2− CH |‌‌‌ CH3

1−chloro−3−methyl‌butane