Question

How many structural isomers can you draw for pentane?

Answer 1

c-c-c-c-c-ch double bond o on 2 c

Answer 2

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three structural isomers

Pentane has three structural isomers. These are n-pentane, Iso-pentane and neo-pentane. Pentane means exclusively the n-pentane isomer; the other two being called isopentane (methylbutane) and neopentane (dimethylpropane). Cyclopentane is not an isomer of pentane.