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Tartaric acid
(a) Write the three-dimensional structure of the tartaric acid with melting point 140°C.
(b) Write structures for the optically active tartaric acids with melting points of 168-170°C.
(c) Can you determine from the formulas which tartaric acid in (b) has a positive rotation and which has a negative rotation?
(d) What is the nature of the form of tartaric acid with a melting point of 210-212°C?
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ORGANIC CHEMISTRY-ETEXT REG ACCESS
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Organic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage Learning