The book Theories of Organic Chemistry was written by author Ferdinand August Karl Henrich Here you can read free online of Theories of Organic Chemistry book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Theories of Organic Chemistry a good or bad book?
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Chemie, 7, 140 (1891); Jour, prakt. Chemie, 60, 152 (1894).
298 THEORIES OF ORGANIC CHEMISTRY The difference between these two formulas may be expressed in terms of atomic refractions and increments as follows: C 6 Hi O20< and C 6 HioO"OO< [f If the molecular refraction of each of these is calculated for light of wave length D the following results are obtained : Keto Form Enol Form C 6 = 6X2. 418 = 14. 508 C 6 = 6X2. 418 = 14. 508 H 10 =10X1. 100 = 11. 000 H 10 =10X1. 100 = 11. 000 O2 = 2X2. 211= 4. 422 O" = 1X2. 211= 2. 211 O<= 1X1. 643= 1. 643 O' = 1X1. 525= 1. 525 O<= 1X1. 643= 1. 643 IT = 1X1. 733= 1. 733 Mol . Refraction = 3 1 . 573 Mol . Refraction = 32 . 620 The molecular refraction for ordinary ethyl acetoacetate as deter- mined at room temperature has been found to be Jlf = 32. 00. 1 This value is obviously intermediate between the calculated values for the keto and end, respectively, although it approximates the former more closely than the latter. These results thus tend to confirm chem- ical investigation in the matter since they indicate that liquid ethyl acetoacetate consists of a mixture which contains a large amount of the keto modification together with small quantities of ethyl /3-hydroxycrotonate.
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