An alkane has a molecular mass of 72

CBSE Class 11 CBSE Class 11 Chemistry
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1

An alkane has a molecular mass of 72. Draw all its possible chain iosmers and write their IUPAC names

2

First of all, we will derive the molecular formula.
Moleccular formula of alkane is { C }_{ n } H2n+2
Molecular mass = 72
.’. 12n+2n+2 = 72
n= 5
The alkane is C_{5}H_{12}.The possible chain isomers are