Question

Write the structure of $2,3-dimethylbutane$.

Answer 1

${\stackrel{1}{H}}_{3}C-\underset{C{H}_3}{\underset{|}{\stackrel{2}{C}H}}-\underset{C{H}_3}{\underset{|}{\stackrel{3}{C}H}}-\stackrel{4}{C}{H}_3$

Butane means 4 carbon aton in longest carbon skeleton.

structure of$2,3-dimethylbutane$