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- Which one of the isomeric alcohols of formula C5H120 can be prepared by LIAIH4 reduction of carboxylic acid? O d. 1-pentanol Ob. 2-methyl-2-butanol C. O C. 3-methyl-2-butanol d. 2,2-dimethyl-1-propanol O . More than one of the above are correct da aReagents 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).Show how to prepare each compound from 2-methyl- 1- propanol. a. 2- methylpropene b. 2- methyl- 2- propanol c. 2- methylpropanoic acid (CH3)2CHCOOH
- 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. Give the structure corresponding to each name. a. 4-ethyl-3-heptanol b. 3-chloro-1,2-propanediol c. diisobutyl ether d. 1,2-epoxy-1,3,3-trimethylcyclohexane e. 1-ethoxy-3-ethylheptaneGive 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. Give balanced chemical equations for the following reactions: a. the oxidation of ethanol (two stages – use [O] in your equation but give name of the oxidising agent used in the reaction and any colour change you would see. b. the oxidation of propan-2-ol c. the dehydration of propan-2-ol d. the reaction of butylamine and hydrochloric acid (what type of reaction is this?)What alcohol is produced from the reaction of acetone with the reagents, 1. CH3CH2M9B1/2. H2O? A. Primary alcohol B. Secondary Alcohol C. Tertiary Alcohol D. Allylalcohol
- Chapter 1 1. Functional Group Interconversion. Show how each of the following compounds can be prepared from the given starting material provided. b. C. d. *e. *f. CO₂H по дон (R) HO OH THPO OAC CH2NH2 CH3 H H Ph → provala (S), OH THE THINGS TO THE TEShow how to convert cyclohexanol to these compounds. a. Cyclohexene b. Cyclohexane c. Cyclohexanone d. Bromocyclohexane1. An alkene reacts with water with an acid catalyst results into a formation of: A. Aldehyde B. Ketone C. Alcohol D. Ester 2. 3-Methylhexanal with K2Cr2O7 will yield: A. 3-Methyl-1-hexanol B. 3-Methylhexanoic acid C. 3-Methyl-1-hexanone D. 3-Methyl-1-hexanethiol 3. This is a reverse process of Hydration reaction: A. Oxidation reaction B. Reduction reaction C. Dehydration reaction D. Hydration reaction 4. Acetic acid reacts with a strong base forms: A. Salt B. Water C. Salt and Water D. No reaction 5. Ketones can be further oxidized with benedict's solution into: A. Alcohol B. Aldehyde C. Catalysts D. No reaction