Question

Which one of the followingreagents is used for dehydrationof ethanol?a H₂/Nib concentrated H₂SO4c dilute H₂SO4d concentrated HNO3

Answer 1

Answer

concentrated H₂SO4. Option B is correct

Explanations:

Dehydration is the process by which water is removed from a compound in the presence ofa reagent.

The chemical reaction of the complete dehydration of ethanol is expressed as:

$C_2H_5OH\rightarrow C_2H_4+H_2O$

According to the reaction ethanol was decomposed to product ethylene and water. The reagent used during the reaction is concentrated H₂SO4