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- - %63 ||.. * * 1:07 phenols form colored complexes - (ranging from green through blue and violet to red)with ferric chloride true False نوع الدراسة - إجابتك * Phenol are less than acidic - ethanol acetic acid - chloroethan ethylene The reaction of ethylene with ozone product acteldehyde true FalseIndicate the product obtained by reacting A and B. A || H3C-S-CH₂ Na* || CH 3 B CH2. C. CH3 H3C CH3Give the products formed when benzaldehyde and benzoic acid are treated with the given reagents. a. Tollen’s reagentb. phenylhydrazine, H+c. HCNd. NH2OHe. 1 mole H2, Nif. 1 mole CH3OH, H+g. LiAlH4 then H2O, H+h. 2 moles CH3OH, H+i. CH3MgCl, then H2O, H+j. H2O
- CH2 H3C H3C COOH Reagents e. PB13 f. NaCN then H3O* g. NBS, CCI4 h. CrO3, H2SO4 а. HBr b. Mg, ether c. CO2, ether then H3O* d. BH3, THF then H2O2, OH"1. Provide the major organic products for the following reactions. NH NaBH/CH₂OH 1. LIAIH₂. Ether 2. H₂O* 1. n-ButylLi/Ether 2.NH, C1. Offer at least two methods for the preparation: a) ethyl bromide, b) iso-propanol.
- 4.) Which functional group is absent from the fever-reducing active ingredient below? CH, H;CO A. aromatic B. ether C. carboxylic acid D. alcohol Keywords: functional group, carbonyl, aromatic, ether, carboxylic acid, alcohol, heteroatom, conugation, Huckel's Rule Concepts: Identification of organic functional groups4.) HX is used as a reagent in the reaction below. „NH2 он + HX + :NEN: + A. What functional-group transformation occurs in this reaction?Reagents a. C6H5CHO b. NaOH, ethanol h. BrCH2CH=CH2 i. Na* OEt, ethanol j. Br2, H* k. K* t-BuO c. Pyrrolidine, cat. H* d. H2C=CHCN e. H3O* f. I. CH2(CO2ET)2 -CH2CH2CN LDA m. heat g. ELOC(=0)CO2ET Select reagents from the table to synthesize this compound from cyclopentanone. Enter the letters of the chosen reagents, in the order that you wish to use them, without spaces or punctuation (i.e. geda).
- 1. a secondary alkyl halide with molecular formula C4H9l 2. trans-1,2-cyclopentanediol 3. tert-butyl phenyl ether 4. an ether with molecular formula C3H8O 5. p-aminophenol3. Ethanoic acid (vinegar) when diluted to low concentrations by water can be prepared from ethene by a) reduction with H2, followed by reaction with a strong oxidizer b) addition of HCL followed by reaction with H20 c) addition of H20 followed by reaction with a strong oxidizer d) addition of Br2 e) followed by reduction with H2An important step in one synthesis of carboxylic acids is the deprotonation of diethyl malonate and its alkyl-substituted derivative: Base CH;CH2O OCH,CH3 CH;CH,0 OCH2CH3 H2 Diethyl malonate Base CH;CH,0 °C `OCH,CH3 CH;CH,O OCH,CH3 R Alkyl substituted diethyl malonate NaOH can deprotonate diethyl malonate effectively, but NaOC(CH3)3 is typically used to deprotonate the alkyl-substituted derivative. Explain why.