Question

What is the common name of the compound shown in the image?

$H-\underset{H}{\underset{|}{\stackrel{H}{\stackrel{|}{C}}}}-\stackrel{C{H}_3}{\stackrel{|}{\underset{H}{\underset{|}{C}}}-}\underset{H}{\underset{|}{\stackrel{H}{\stackrel{|}{C}}}}-H$

• A. N-butane
• B. Isobutane
• C. Neobutane
• D. Propane

Answer 1

The correct option is B Isobutane

Longest chain consists of 3 carbon atoms with methyl group at second carbon. The correct name of the compound is Isobutane.