Question

Which of the following is the $IUPAC$ name of the compound ?

$C{H}_3-\stackrel{C{H}_3}{\stackrel{|}{CH}}-\stackrel{C{H}_3}{\stackrel{|}{\underset{C_2{H}_5}{\underset{|}{CH}}}}-C{H}_2-C{H}_3$

Answer 1

$\stackrel{1}{\underset{3}{HC}}-\underset{2}{\stackrel{C{H}_3}{\stackrel{|}{CH}}}-\underset{C{H}_3}{\underset{|}{\underset{C{H}_2}{\underset{|}{\stackrel{C{H}_3}{\stackrel{3|}{CH}}}}}}-\underset{4}{C{H}_2}-\underset{5}{C{H}_3}$

3 ethyl 2, 3 dimenthyl pentane