Question

The systematic (IUPAC) name of tertiary butyl chloride is:

• A. t-Butyl-chloride
• B. tert-Butyl-chloride
• C. 1-Chloro-3-methylpropane
• D. 2-Chloro-2-methylpropane

Answer 1

The correct option is D

2-Chloro-2-methylpropane

The given compound tertiary butyl chloride is

It is numbered as shown.

The longest chain clearly includes 3 carbon atoms

$\Rightarrow$ root word = prop

primary suffix = ane

Secondary prefix = 2-chloro-2-methyl

Hence the name (systematic IUPAC) of given compound is:

(d) 2-Chloro-2-methylpropane