Question 13.20:-

How would you convert the following compounds into benzene?

(i) Ethyne

(ii) Ethene

(iii) Hexane


(i) Benzene from Ethyne:
                           3CHethyneCH873 KRedhot Fe 
(ii) Benzene from Ethene:
CH2=CH2Br2/CCI4Br-CH2-Br                                        alc KOH                                  CH2=CH Br                                         196 KNaNH2/liq NH3                                    HCCH                                          873 KRedhotFe
                                             
(iii) Hexane to Benzene