Which of the following is the incorrect name for the following compound?

How many aldehydic groups does the compound phthaldehyde have?

p-Xylene on reaction with acidified potassium dichromate at high temperature gives ____

Identify the correct common name for the following compound.

Which of the following is required in Stephen reaction?

Which of the following has the least pungent odour?

Benzoic acid can be prepared by oxidation of tert-Butyl benzene.

Acetic acid behaves exactly like ethanol on reaction with thionyl chloride.