List of top Chemistry Questions on Aromatic Hydrocarbon asked in KEAM

The compound which gives the most stable carbocation in elimination reaction is
Which are carcinogenic hydrocarbon
(i) 1,2 - Benzanthracene
(ii) pent-1-yne
(iii) 1,2 - Benpyrene
(iv) cyclohexane
(v) 3-methyl cholanthrene
The temperature and pressure required for reforming benzene from n-hexane is
When C6H5CHO reacts with the mixture of HNO3 and H2SO4 at 273-283K, it gives
Which of the following is non-aromatic?

The reagents and conditions (X) required for the following conversion 

Which of the following is the most reactive in aromatic electrophilic substitution reaction?

Find the compounds P and Q in the following reactions:

Identify 1 and 2 in the following reactions: