Question

The most effective pair of reagents for the preparation of tert-butyl ether is ______.

Options

• tert-butyl alcohol and ethyl bromide 

• sodium ethoxide and tert-butyl bromide 

• potassium tert-butoxide and ethanol

• potassium tert-butoxide and ethyl bromide

Answer 1

The most effective pair of reagents for the preparation of tert-butyl ether is potassium tert-butoxide and ethyl bromide.

Explanation:

\[\begin{array}{cc}
\ce{CH3}\phantom{...........................}\ce{CH3}\phantom{...}\\
|\phantom{...............................}|\phantom{.....}\\
\ce{H3C - C - \bar{\text{O}} K+  + C2H5Br -> H3C - C - O - C2H5}\\
|\phantom{...............................}|\phantom{.....}\\
\ce{CH3}\phantom{...........................}\ce{CH3}\phantom{...}\end{array}\]