Alcohols Phenols And Ethers Question 33

Question: Ethyl alcohol is heated with conc. $ H_2SO_4 $ . The product formed is

[DCE 2004]

Options:

A) $ CH_3-\overset{O}{\mathop{\overset{||}{\mathop{C}}}}-OC_2H_5 $

B) $ C_2H_6 $

C) $ C_2H_4 $

D) $ C_2H_2 $

Show Answer

Answer:

Correct Answer: A

Solution:

Ethyl alcohol on dehydration with conc. $ H_2SO_4 $ at 170°C gives ethylene. $ \underset{\text{Ethyl alcohol}}{\mathop{CH_3CH_2OH}}\underset{conc\text{. }H_2SO_4}{\mathop{\xrightarrow{170{}^\circ C}}}\underset{Ethylene}{\mathop{CH_2=CH_2}}+H_2O $