product or products in each of the following reactions: H OH H A) B) H- Heat „faſ". CH₂ C) CH₂-C-CH₂- ?? + H₂0 + [0] Draw the Aldehyde and the Carboxylic Acid NaBH CH₂-CH₂-CH₂-OH ?? ?? HO
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- Thioglycolic acid, HSCH2CO2H, a substance used in depilatory agents (hair removers) has pKa = 3.42. What is the percent dissociation of thioglycolic acid in a buffer solution at pH = 3.0?16) The best classification for the following compound is: O 0 A) aldehyde B) ester C) ketone D) carboxylic acid 17) The name of the following compound: A) phenyl ethanoate B) phenyl propanoate C) propyl benzoate D) butyl benzoate 18) Complete the following reaction: CH3COOC₂H5 + NaOH- A) CH3COCH 3 B) CH3COCH₂CH3 C) CH3COONa D) CH3COOCH₂ من + HOC₂H5.Which of the following structures and IUPAC names are incorrectly matched? * oe (A) Methyleyclohexanoate (В) `NH2 Br 4-Bromo-3-chlorohexanamide 2-Ethoxypentane (D) HOOC HOOC 3,5-Nonanedioic acid В A D
- Give the IUPAC name for the following carboxylic acid. Cl 101 R O 2,4-dichloropentanoic acid O 2,4-dichloropentanal O 1,3-dichloropentanoic acid O 2,4-dichloro-1-pentanol fs 5 T 40 () 6 Y & CH3-CH-CH₂-CH-C-OH 7 4+ 8 CI hp 10 ▶11 O O f11 U f12 لاWhat product forms when the compound below is treated with Benedict's reagent? CHO H -C-OH CH,OH A) ÇH,OH H –Ç–OH CH,OH B) СНО C=0 CH,OH C) ÇOOH Н—С—ОН CH,OH D) ÇH,OH Но—ҫ—ОН CH,OH MacBook AirExplain why phenol (C6H50H) is substantially more acidic than methanol (CH3OH), but benzoic acid (C6H5CO2H) is not much more acidic than acetic acid (CH3CO2H). Нас — ОН ОН H3C- ОН OH pKa = 15.5 pKa = 10.0 pk = 4.75 pk = 4.2
- Question 9 The reagent which converts a carbonyl group of a ketone into a enamine group is O CH3CH2CH2NHCH3; H CH3CH2CH2NH2; H* O CH3CH2CH2NHCH3; H3O* O CH3CH2CH2NH2; OH OLIAIH[OC(CH3)3]3Draw the product formed when phenylacetaldehyde (CsH;CH,CHO) is treated with each reagent. Phenylacetaldehyde is partly responsible for the fragrance of the flowers of the plumeria tree, which is native to the tropical and subtropical Americas. e. Ph;P=CHCH3 f. (CH),CHNH2, mild acid g. (CH,CH)NH, mild acid h. CH,CH,OH (еxсess), H' а. NaBHa, CH,Oн b. [1] LIAIH4; (2] H20 c. [1] CH;MgBr; [2] H2O i. NH, mild acid d. NaCN, HCI j. HOCH,CH;OH, H*Which of the following reactions are correct? Explain the answer. + H₂O + H₂O H₂SO4 H OH H OH