question_answer

Dehydration of methyl alcohol with concentrated \[{{H}_{2}}S{{O}_{4}}\]yields

A)  methane           

B)  ethane

C)  dimethyl ether                

D)  acetone

Correct Answer: C

Solution :

                \[C{{H}_{3}}OH+\underset{(from\,acid)}{\mathop{{{H}^{+}}}}\,\rightleftharpoons \underset{protonated\,alcohol}{\mathop{C{{H}_{3}}-\underset{H}{\overset{\oplus }{\mathop{\underset{\mathbf{|}}{\mathop{{{O}^{\,\bullet \bullet }}}}\,}}}\,-H}}\,\]