Alcohols on heating with conc. H 2 SO 4 form alkenes with elimination of one water molecule. This reaction is also known as

Question

Alcohols on heating with conc. H 2 SO 4 form alkenes with elimination of one water molecule. This reaction is also known as (A) β-elimination reaction (B) basic dehydration of alcohols (C) acidic dehydration of alcohols (D) Both (a) and (c)

Tardigrade Admin · Accepted Answer

In the given reaction, water molecule is eliminated from the alcohol molecule in the presence of an acid.
This reaction is known as acidic dehydration of alcohols. It is also an example of

β

-elimination reaction since

- O H

group takes out one hydrogen atom from

β

-carbon atom as shown below :

Q. Alcohols on heating with conc. H2​SO4​ form alkenes with elimination of one water molecule. This reaction is also known as

β-elimination reaction

basic dehydration of alcohols

acidic dehydration of alcohols

Both (a) and (c)

In the given reaction, water molecule is eliminated from the alcohol molecule in the presence of an acid. This reaction is known as acidic dehydration of alcohols. It is also an example of β-elimination reaction since−OH group takes out one hydrogen atom from β-carbon atom as shown below :

Q. Alcohols on heating with conc. $H_{2} S O_{4}$ form alkenes with elimination of one water molecule. This reaction is also known as

$β$ -elimination reaction