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| October 22, 2018

CHE150 Homework Chapter 051. What is the correct IUPAC name for compound shown?A. 1,2-cyclopentadiolC. 1,2-cyclopentanediolB. 1,5-cyclopentanediolD. 1,5-cyclopentadiol2. What is the correct classification for the alcohol shown below?A. primaryB. secondaryC. tertiaryD. quaternary3. Which of the following compounds is correctly classified as a tertiary alcohol?A. 3-methyl-1-butanolC. 3-methyl-2-butanolB. 2-methyl-1-butanolD. 2-methyl-2-butanol4. Which of the following is a secondary alcohol?A. CH3CH2OHC. (CH3)2CHCH2OHB. (CH3)2CHOHD. (CH3)3COH5. The alcohol groups in the compound shown are ____.A. are both primaryB. are both secondaryC. are both tertiaryD. one is primary and one is tertiary6. Which of the following would be only very slightly soluble in water?A. 1-propanolC. 1,5-pentanediolB. 2-propanolD. 1-hexanol7. Oxidation of CH3CH2CH2CH2OH produces CH3CH2CH2CHO, which may be further oxidized to which ofthe following:A.C.B.D.8. Which of the following alcohols would be the most difficult to oxidize?A. CH3C(OH)(CH3)2C. CH3OHB. CH3CH(OH)CH2(CH3)2D. HOCH2CH2OH9. Oxidation of a tertiary alcohol will produce a(n) ____.A. ketoneB. aldehydeC. carboxylic acidD. no reaction10. In order to carry out the following reaction which of the following reagents would be needed?(O) denotes oxidation. (H) denotes reduction/hydrogenation.A. (O) followed by (H)C. H2O/ H2SO4 followed by (O)B. (H) followed by H2SO4D. (O) followed by H2SO4CHE150 Homework Chapter 061. Which of the following statements is true?a. Biologically important organic molecules never exhibit enantiomerism.b. Very few biologically important organic molecules exhibit enantiomerism.c. The vast majority of biologically important organic molecules exhibitenantiomerism.d. All biologically important organic molecules exhibit enantiomerism.2. If a carbon atom is a stereocenter, which of the following statements must be true about thatcarbon?a.b.c.d.It has four single bonds.It has a double bond and two single bonds.It has two double bonds.Any of these bonding arrangements can be associated with a stereocenter.3. Given the compounds 2,3-dimethylpentane and 2,4-dimethylpentane, which of the following istrue?a.b.c.d.Only 2,3-dimethylpentane is chiral.Only 2,4-dimethylpentane is chiral.Both are chiral.Neither is chiral.4. Given the compounds 2,3-dimethylpentane and 3-methylhexane, which of the following is true?a.b.c.d.Only 2,3-dimethylpentane is chiral.Only 3-methylhexane is chiral.Both are chiral.Neither is chiral.5. There are four alcohols with the molecular formula C4H9OH. How many of these are chiral?a. 0b. 1c. 2d. 36. Which of the three isomeric alcohols, 2-butanol, 2-methyl-1-propanol, and 2-methyl-2-propanol,are chiral?a.b.c.d.only 2-butanolonly 2-methyl-1-propanolboth 2-butanol and 2-methyl-1-propanolboth 2-methyl-1-propanol and 2-methyl-2-propanol7. Which of the structures given below represents the enantiomer of the following compound:?a.onlyb.onlyc. both a and bd. neither b nor b8. How many stereocenters are present in the following compound?a. 1b. 2c. 3d. 49. Which of the following compounds can exist as a pair of enantiomers?a. (i) and (ii) onlyb. (ii) and (iii) onlyc. (i) and (iii) onlyd. (i) only10. In the R,S system, which of the following groups has highest priority?a. alkylb. aminoc. hydroxyld. thiolCHE150 Homework Chapter 071. Which of the following is not a base?a. HPO42b. OHc. NH3d. None, they are all bases.2. Which of the following is a triprotic acid?a. HClb. HNO3c. H2SO4d. H3PO43. Which of the following bases can accepted only one proton?a. NH3b. CH3NH2c. (CH3)2NHd. all of them4. How many protons can be lost by acetic acid, CH 3COOH?a. 1b. 2c. 3d. 45. Which of the following is the conjugate base of acetic acid, CH3COOH?a. H3O+c. CH3COOb. CH3COOH2+d. OH6. Which of the following species can be characterized as amphiprotic?a. H2Ob. HCO3c. HPO42d. all of them7. Which of the following species is not amphiprotic?a. C2H3O2b. HC3H2O4ac. HC4H4O4d. None, all of them are amphiprotic.8. Which of the following is the conjugate acid of H 2PO4?a. H3PO4b. HPO42c. PO43d. H3O+9. Which of the following is the conjugate acid of HPO 42a. H3PO4b. H2PO4c. PO43d. H3O+10. Which of the following is the conjugate acid of PO 43?a. H3PO4c. HPO42b. H2PO4d. H3O+CHE150 Homework Chapter 081. What is the IUPAC name of the following compound?a. ethylpropylmethylamineb. N-ethyl-N-methylpropanaminec. N-ethyl-N-methyl-1-propanamined. N-ethyl-N-methyl-2-propanamine2. What is the IUPAC name of the following compound?a. ethylmethylpropylamineb. ethylisopropylmethylaminec. N-ethyl-N-methyl-1-propanamined. N-ethyl-N-methyl-2-propanamine3. In a pure sample of which of the following is there no hydrogen bonding?a.b.c.d.CH3NH2(CH3)2NH(CH3)3NNone, pure samples of all these have hydrogen bonds.4. Which of the following gives the correct order of solubility in water?a. (i) > (ii) > (iii)b. (ii) > (i) > (iii)c. (iii) > (ii) > (i)d. (iii) > (i) > (ii)5. Which of the following gives the correct order of solubility in water?a. (i) > (ii) > (iii)b. (ii) > (i) > (iii)c. (iii) > (ii) > (i)d. (iii) > (i) > (ii)6. Although many amines are insoluble in water they can be dissolved in which of the following?a. aqueous acidb. aqueous basec. both a and bd. neither a nor b7. Which of the following is the correct equation for the reaction of dimethylamine withhydrochloric acid?a. (CH3) 2NH + HCl(aq)b. 2(CH3)2NH + 2HCl(aq)2CH4(g) + NH2Cl(l)c. (CH3)2NH + HCl(aq)d. (CH3)2NH + 2HCl(aq)(CH3)2NH2+(aq) + Cl-(aq)2(CH3)2NH2(aq) + Cl2(g)2CH3NHCl(l) + H2 (g)8. The following is the formula for gabapentin used in the treatment of epilepsy.How many stereocenters are there in this compound?a. 1c. 3b. 2d. There are no stereocenters.9. The following is the formula for gabapentin used in the treatment of epilepsy.What type of amine is gabapentin?a. 1°b. 2°c. 3°10. How many hydrogen atoms are in cyclohexanamine?a.b.c.d.e.5781213

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