214 CHEMISTRY 



Decomposition-Point 



H 

 Ethane, CH 3 CH/ 800 



H 



H 



Ethylalcohol, CH 3 CH/ 650 



OH 



OM 



Sodium and potassium ethylate, CH 3 CH (^ 250 



" H 



/ HH \ 



Ethylether, CH 3 CH 0- CH'CH 3 550 



H 



Ethylchloride, CH 3 CH/ 600 



Cl 

 H 



Ethylbromide, CH 3 CH / 500 



Br 

 H 



Ethyliodide, CH 3 CH/ 400(?) 



V 11 H \ 



Diethylsulphate ; CH 3 CH-O-SO 2 -0 CHCH 3 200 



H 



Monoethylsulphate, CH 3 CH ^ 160 



OSO 2 OH 

 H 



Ethylpotassium sulphate, CH 3 CH^ 250 



OS0 2 OK 

 H 



Ethylnitrate, CH 3 CH^ 200(?) 



ON0 2 



Ethane, ethylchloride and bromide, when heated to the temperatures 

 named, give ethylene and hydrogen or halogen hydride respectively, 

 and on cooling these products do not again recombine. We can there- 



