Organic 2 Review Problem 421

Organic 2 Review Problem 421 - 13 Carboxylic acids (and...

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REACTIONS AND IDENTIFICATION 405 acid and its salts, citric acid and its salts (odour somewhat resem- bling burnt sugar); uric acid. (Salts of some acids char, although the free acids do not, e.g., sodium succinate, lactate, and salicylate.) (/) Violet vapours. Iodoform. C. Identification of elements present. (i) Beilstein's Test (p. 323). Note that this test is of negative value only, and the absence of a green colour proves that the compound does not contain halogen. (ii) Lassaigne's Test for nitrogen^ halogens and sulphur (pp. 321-327). Perform with great care. If only a faint indication of a particular element is obtained, repeat, using a slightly larger amount of material and longer heating. Elements present C.H.[0] Substances Section Alcohols io Phenols 11 Aldehydes 12 Ketones
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Unformatted text preview: 13 Carboxylic acids (and metallic 14 salts) Esters 15 Acid anhydrides ij( Carbohydrates 18 Quinones 19 Hydrocarbons 26 Ethers 27 C.H.[O].Halogen Chloral hydrate 12 Acid halides Halogeno-hydrocarbons C.H.[O].N Ammonium salts") Amides, imides f 16 Nitriles J Amines 20 Anilides 21 C.H.[O].N Amino-carboxylic acids 22 Nitro-compounds 23 (a) Nitro-hydrocarbons ( b ) Nitro-phenols (c) Nitro-anilines Uric Acid 24 C.H.[O].N.Halogen Salts of amines, nitro-armnes 20, 23(0) and amino-carboxylic acids with 22 halogen acids (HCl, etc.). (Note. The halogen is ionic and can be tested for directly with HNO t--AgNO,). Page 335 337 34i 345 347 354 3 6 4 366 3?o 393 395 34i 3 6 4 39 359 372 379 380 384 389 372, 387 380...
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This note was uploaded on 09/19/2011 for the course CHM 2211 taught by Professor Castalleano during the Fall '06 term at University of Florida.

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