Phthalic anhydride on heating with resorcinol in the presence of conc. `H_(2)SO_(4)` gives `:`

Phthalic acid reacts with resorcinol in the presence of concentrated H_(2)SO_(4) to give:

Phthalic acid reacts with resorcinol in the presence of concentrated H_2SO_4 to give

Catechol on heating with phthalic anhydridee in the presence of conc. H_(2)SO_(4) gives :

Pheol reacts with conc. HNO_(3) in the presence of conc. H_(2)SO_(4) to give :

Acetic acid on warming with hydrazoic acid in presence of conc. H_(2)SO_(4) gives :

Name the products formed when ethanoic acid is heated with ethanol in the presence of conc. H_(2)SO_(4) ?

Acetic acid on warming with hydrazoic acid in presence of conc. H_(2)SO_(4) gives