10 jobs in organic chemistry (K / P 2, option 10)

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Uploaded: 16.10.2012
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1. Write the structural formula lactic, malic, tartaric and citric acids. Which of these acids does not have optical isomers, and why? Get the name and sodium salts of these acids.
2. The synthesis of 2,4-pentanediol using acetoacetic ester.
3. Get out of the toluene trinitrotoluene. Specify the conditions under which this reaction. Disassemble the mechanism.
4. Describe the basic properties of methylamine and aniline. Formulate general provisions describing the effect of substituents in the nucleus to the basic properties of aromatic amines. Arrange the following amines in a series of growth of the principal:
a) aniline; b) p-nitroaniline; c) p-toluidine.
5. Tell us about the chemical properties of acids monoaminodikarbonovyh example glutamic acid dipeptide get it.
6. Give the concept of fosfolipiddah. What cephalins? Where is it found?
7 will act with methanol in the presence of dry hydrogen chloride to:
a) -D-glucopyranose; b) -D-fructofuranose. Name the resulting compounds.
8. What are called reducing oligosaccharides? What chemical reactions are typical for them?
9. Give the structural formulas of the fragments of starch and fiber. Give the hydrolysis of polysaccharides.
10. Compare the aromatic properties of thiophene and benzene. Give examples of reactions.

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