Chemistry 130 Final Exam Spring 2007 June 13,2007 Oregon State University Dr. Richard Nafshun Fill in the front page of the Scantron answer sheet with your last name, first name, middle initial, and student identification number. Leave the class section number and the test form number blank. This exam consists of 22 multiple-choice questions. Each multiple-choice question has five points associated with it. Select the best multiple-choice answer by filling in the corresponding circle on the rear page of the answer sheet. benzene to1uen e aniline styrene chlorobenzene nitro benze ne phenol benzaldehyde benzoic acid bromobenzene benzonitrile benzenesulfonic acid Alcohols R-OH Am i nes O R-NH2 O II II Aldehydes R-C-H Ketones R-C- Rr Ethers R-0-R' -Thioalcohols R S H - O II Carboxylic Acids R - C - O H D i s ~ ~ l f i d e sR-S-S- O H O II 1. Rr II I Esters R-C-0-R' Amides R-C-N-Rr Al kenes C H 2 =CH2 Al kynes H CG C H What is the name of the following structure? 2. The molecular formula of \4 I d tt (A) (B) ; (E) 3. r t 4 ', / / - I t-l isC10H15N is CloHllN a is C8H15N Which of the following is NOT an isomer of 2,2,3,3-tetramethylheptane? (A) (B) 2,2,3,4-tetramethylheptane 4-Propyloctane c c \ ' C - C - c - c - c- c - c \ 1 c c C,,H,q 4. Identify the products of the following substitution reaction: (A) (B) (c> (D) (E) 6. CH3CH3 CH30H an acetal tal Which of the following is true? (A) CH3CH2CH3has a higher boiling point than CH3CH20CH3because of hydrogen bonding. (B) CH3CH2CH3has a higher boiling point than CH3CH2CH20Hbecause of dipole-dipole forces. (C) CH3CH20CH3has a higher boiling point than CH3CH2CH20Hbecause of dipole-dipole forces. (D) CH3CH20CH3has a higher boiling point than CH3CH2CH20Hbecause of hydrogen bonding. :;*..:, - ,.,-*,.&&-.%,.,iu". .-;.',..,..,. , ., +. .,** boiling point than CH3CH20CH3because of h a& .<. , -,.I 7. . "."x;.- _,^__l.l__j__.:.__.,_ .; . ; ,, .. , ,, .. ,,:.., ~ _ -.- -9i-w % .* 9, . ..>=.> d . ? . . . = , "-/-T,...---o-.-rl~'.=.~-.3-*.~"=* ,"..-,::>.:%:-.Wx: ,%. <.-:; I,.;I,..,.,-., In a condensation reaction, an arnine and a carboxylic acid produce: (A) (B) (C) (D) (E) an ether an ester an aldehyde a ketone :,. -,. -**,--%v ... *;.: a i qs...,v .,~.."-" ,<., ~-,4fld..7 8. I In a CH 130 Lab you isolated an analgesic drug. It was either acetaminophen or ibuprofen. -rc.=-----".a- (A) (B) 9. .--miE, %_ , ,, , , , _mxB$ ..--, *G&.tam&09he2_"haS,a,hjg&l: ibuprofen has a higher melting point Thenarneof (A) is 1-methyl-3-bromocycloheaxane (B) is 1,3-bromobenzene (C) is o-bromotoluene (D) is m&caa@gluene (E) e m * 10. Consider the formation of hemiacetals, acetals, hemiketals and ketals. The molecule below can be formed from: 0 and dCH3 v HO and 0 (El 0 II and vc\ H 11. Complete the following addition reaction: ,"o 12. + HCl Which of the following functional groups is not present in Penicillin-G? 13. The oxidation number of HCOOH is: 14. Pro-Ala-Ala-Met-Leu-Gly-Pro-Ala-Pro-Phe is an example of (A) (B) (C) quaternary structure secondary structure (D) tertiary structure (E) soap 15. The pH of a sample of California orange juice is measured to be 3.48. Therefore, the juice is: (A) (B) (C) 16. basic neutral Identify the number of chiral carbons and whether the sedoheptulose shown is L- or D-. HO-C-H I* I* IP H-C-OH H-C-OH 5 chiral carbons and L5 chiral carbons and D4 chiral carbons and Lr;T?" chiral carbons a m 6 chiral carl%ns and (E) (A) (B) (c) (D, f 17. Which pair of compounds can react to form a hemiacetal? (A) (B) (C) (D) (E) 18. b a\dchydc + a\roL.o \ CH3CH2CH0 and CH3COOH CH3COCH3and CH3CH20H CH3COOH and CH3CH20H Which of the following statements is false? 6'3 ,,&, -, .,+s.. , ,.:, ,.:.,,. , ?,.,g.x.,,. , *.k.c: =.."- -..*+- L.:=7. -'.'.-~-=--~ (A (B) a chiral molecule is (C) the following (D) a chiral carbon has 4 different groups bound to it T rue (E) m-chlorotoluene is not chiral 7-rCLI 19. The following is the structure of a carbohydrate. Which of the following statements is false: I Ei- C -OH I HO- (D) It is an aldehyde r C -N 20. Consider the fat molecule below. Which of the following is false? (A) (B) (c) (D) (E) 21. fat / nds J it contains trans bonds could undergo hydrogenation / In DNA, the base pairs are G and C; A and T. It can be said that this selective pairing is due to: (A) the aldohexose. (B) omega-3 fats. (C) enzyme liquidizing. carkn-m (D) (E) 6 d r o g e n 22. Which of the following is FALSE? DNA is a double helix (A) A strand of DNA is 5 x 10' bases in length (B) A strand of DNA is 1.7 meters in length (C) Ad~,nine,f~ms..a,b.&s~.~air,wi!h.t1y-~~~,e , . g u a n jwith ~ ~ cfiosine.innDeA (Dl (E) p m ' e a s e s a phosphate group to release energy and become ATP J) -----_&Y-_-_%. ,L,-,.--~-*- ,,..l.ir,..~-zd :-" -II-~-~*s