How would you convert the following compounds into benzene?

Hexane

How would you convert the following compounds into benzene?

Ethyne

How would you convert the following compounds into benzene?

Ethene

Write structures of all the alkenes which on hydrogenation give 2-methyl butane.

Arrange the following set of compounds in order of their decreasing relative reactivity with an electrophile, E⁺

(a) Chlorobenzene, 2,4-dinitrochlorobenzene, p-nitrochlorobenzene

(b) Toluene, p-H₃C – C₆H₄ – NO₂, p-O₂N – C₆H₄ – NO₂.