Question

bromoethane on reaction with aqueous KoH form ethanol where as alcohol Koh form ethene explain with equation

Answer 1

Aqueous KOHKOH is alkaline in nature i.e. it dissociates to produce a hydroxide ion. These hydroxide ions act as a strong nucleophile and replace the halogen atom in an alkyl halide.

RCl+KOH(aq)⟶ROH+KClRCl+KOH(aq)⟶ROH+KCl

This results in the formation of alcohol molecules and the reaction is known as nucleophilic substitution reaction.

Alcoholic, KOHKOH, specially in ethanol, produces C2H5O−CX2HX5OX− ions. The C2H5O−CX2HX5OX−ion is a stronger base than the OH−OHX− ion. Thus,the former abstracts the ß-hydrogen of an alkyl halide to produce alkenes.

Answer 2

Answer:

bromo ethane on reaction with KOH gives KBr +C2H5Br

please remember alcoholic KOH gives C2H4+KBr+H2O