Question

write the following balanced chemical equations a. ethanol is treated with conc. H2SO4​

Answer 1

The dehydration of ethanol to give ethene not ethane.

Ethanol is heated with an excess of concentrated sulphuric acid (act as a catalyst) at a temperature of 170C. The gases produced are passed through sodium hydroxide solution to remove the carbon dioxide and sulphur dioxide produced from side reactions.The ethene is collected over water.

CH3−CH2−OH →H2SO4 CH2=CH2 + H2O

Option B is correct.