14 



OPTICAL ACTIVATION 



Decomposition of Bkomca:mphor-caeboxylic Acid. 



1. Experiments Wifliout Catali/sts and Temperaiure Co- 

 efficient. 



The decomposition of bromcamplior-carboxylie acid in 

 acetopbeuone. in the absence of alkaloids, was found to follow 

 the first order of reaction, .the velocity oonstant being calculated 

 from the equation 



k.-= 



1 , A 



t 0.4848 ^A-x' 



The symbols here have the same meaning as nreviouslv 

 indicated. 



The values obtained for Ic at 80", 70°, and GO'"" are as 

 follows : 



Table II. 



Each gram of acid in 10 ccm. acetophenone. Temperature 80°. 



