Which of the following has the least pungent odour?

Which of the following is Tollen’s reagent?

The following acetal shown is formed by the reaction between __ and __ in the presence of dry HCl.

Identify the correct IUPAC name of the following compound.

As a result of intermolecular hydrogen bonding, carboxylic acids exists as __

Which of the following is not a dicarboxylic acid?

Propanal has a slightly higher boiling point than propanone.

Identify X in the following conversion.