How would you convert the following compounds into benzene? (i) Ethyne (ii) Ethene (iii) Hexane . Write structures of all the alkenes which on hydrogenation give -methylbutane. .
Arrange the following set of compounds in order of their decreasing relative reactivity with an electrophile, E (a) Chlorobenzene, , -dinitrochlorobenzene, p -nitrochlorobenzene (b) Toluene, p -H C – C H – NO , p -O N – C H – NO . . Out of benzene, m –dinitrobenzene and toluene which will undergo nitration most easily and why? .
Suggest the name of a Lewis acid other than anhydrous aluminium chloride which can be used during ethylation of benzene. . Why is Wurtz reaction not preferred for the preparation of alkanes containing odd number of carbon atoms? Illustrate your answer by taking one example.