A student expects to make an ester by warming propanol with methanoic acid and concentrated sulfuric acid.
Which statement about concentrated sulfuric acid in this reaction is correct?
It acts as a catalyst and is not used up by the reaction.
It supplies the carboxylic acid part of the ester product.
It reacts with propanol to produce the carboxylic acid.
It is formed as the second product alongside the ester.