118 Dr. Carnelley on the Influence of Atomic Arrangement 



IV. 



Hexamethyl benzene. Dipropy] benzene. Triethyl benzene. 

 CH 3 C 3 H 7 



CH,/ \cH, 



CH 



CH, 



CH 3 

 m.p. =150. 



C 3 H, 

 Liquid. 



C 6 H 3 .(C 2 H 5 ), 



Liquid. 



Aniylnietbyl benzene. [ Propylisopropyl benzene. I Hexyl benzene. 



OeH4.CH3.CgH! 

 Liquid. 



C 6 H 4 . C 3 H 7 . CH(CH 3 ) 2 

 Liquid. 



V. 



Dipbenyl metbane. 

 H 



— C- 



I 

 H 



m.p. =265. 



Tolylpbenyl. 

 C 6 H 6 



C eH 5 • 6 H 13 



Liquid. 



Tolylpbenyl. 

 C,H 3 



1.4; 1.4Ditolyl. 



CH3.O6H4.CgH4.CH3 



m.p. =121. 



Benzyltoluene. 

 C 6 H 5 .CH 2 .C 6 H 4 .CH 3 



Liquid. 



VI. 



Dibenzyl. 



C 6 H 5 . CH 2 . CH 2 . 6 H 6 



m.p. =52. 



Pbenylxylene. 



C G H 5 . C 6 H 3 (CH 3 ) 2 



Liquid. 



Liquid. 



1.2; 1.4Ditolyl. 



CH3.C e H 4 .C G H4.CH s 



Liquid. 



Dipbenyl ethane. 



CH,.CH(C 8 H,) 9 (?) 



Liquid. 



VII. 



Derivatives of Ethane. 



XX. 



Dibromide Br . Br 



Diiodide I.I 



Cbloroiodide .... CI. I 



Bromoiodide .... Br . I 



Dipbenide Pb . Pb 



Sulphide S" 



Iodopropionic acid COOH . I 



Succinic acid .... COOH . COOH 



Ethylene. 

 XH 2 C-CH 2 X. 

 m.p. =9 



Ethylidene. 



H 3 C-CHX 2 . 



Liquid. 



Solid in freezing- „ 



mixture. 

 imp. =28 



52 (dibenzyl) „ 



112 95 



Liquid. 



180 



129 



