308_final_exam_sp2008

308_final_exam_sp2008 - 308 FINAL EXAM V1 SPRING 2008 1 _...

Info iconThis preview shows pages 1–10. Sign up to view the full content.

View Full Document Right Arrow Icon
308 FINAL EXAM V1 SPRING 2008 1
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
___________________________ PRINT NAME 308 FINAL EXAM V1 SPRING 2008 2 MULTIPLE CHOICE: 4 POINTS EACH 1. Which is the major product of the following reaction? C H O H 3 C + C CH 3 O O 1.) OH - 2.) H 3 O + / Heat C H 3 C H 3 C CH O C O H CH 3 OC H C CH 3 CH 3 CH 3 H C H C O CH 3 H C H 2 C O OH CH 3 O CH 3 O A. B. C. D. E.
Background image of page 2
___________________________ PRINT NAME 308 FINAL EXAM V1 SPRING 2008 3 2. In the reaction between ethanal and methanol with acid catalysis, which of the following is an intermediate in the reaction? H 3 C H O + CH 3 OH H H 3 C H 3 C H 2 C H H 2 C H H OH OH OH H HO OH H 3 C O H HO CH 3 O CH 3 CH 3 A. B. C. D. E.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
___________________________ PRINT NAME 308 FINAL EXAM V1 SPRING 2008 4 NaNO 2 , HCl, 0°C 3. What is the major product of the following reaction? ? N H N A B C D E NO N NO 2 N N N Cl N H O
Background image of page 4
___________________________ PRINT NAME 308 FINAL EXAM V1 SPRING 2008 5 4. Rank the following compounds in order of increasing acidity of labeled protons (least acidic first and most acidic last). H 3 CC H 2 H 3 H H C CH 3 O H 3 H H C O OC H 3 H 3 H 2 C O CH H CH 3 H 2 C C O O O C O C HO CH 2 H C O O H 1 2 3 4 5 A. 1, 4, 5, 3, 2 B. 2, 1, 4, 5, 3 C. 4, 1, 5, 3, 2 D. 1, 4, 2, 3, 5 E.. 4, 2, 1, 5, 3
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
___________________________ PRINT NAME 308 FINAL EXAM V1 SPRING 2008 6 5. What is the product, C, of the reaction sequence shown below? 6. Rank the following compounds in order of increasing pK a (strongest acid first). Br CH 3 1.) Mg, Et 2 O 2.) CO 2 3.) H 3 O + SOCl 2 Heat A A B B CH 3 OH C CH 3 OC 3 CH 3 O O CH 3 CH 3 OH O CH 3 OH O OCH 3 H 3 C OCH 3 O CH 3 A. B. C. D. E. H O OH O OH O OH O CH 3 NO 2 O OH NO 2 O OH Cl OCH 3 1 2 3 4 5 A. 2 < 5 < 4 < 3 < 1 B. 1 < 3 < 4 < 2 < 5 C. 3< 1 < 5 < 4 < 2 D. 1 < 3 < 5 < 2 < 4 E. 3 < 5 < 4 < 1 < 2
Background image of page 6
___________________________ PRINT NAME 308 FINAL EXAM V1 SPRING 2008 7 7. The following substituents are ortho-para directors. 1, -OH, 2. -NH 2 , 3. Br-, 4. Cl- , 5. - , 6. CH 3 The correct order of substituents by strength as directors ( best one first ) is A. 1, 2, 5, 4, 3, 6 B. 5, 2, 1, 6, 3, 4 C. 1, 2, 3, 4, 6, 5 D. 2, 1, 5, 6, 3, 4 E. 2, 5, 1, 6, 3, 4 8. Select the major organic product of the following reaction. O O CH 3 H CH 3 H A. HO CH 3 H CH 3 H C. CH 3 H D. O CH 3 CH 3 E. O CH 3 CH 3 H H B. CH 3 HO CH 3 CH 3 H + CH 3 Li H 2 O, H + Dry Ether
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
___________________________ 308 FINAL EXAM V1 SPRING 2008 8 thoxide ion (most PRINT NAME 9. unds in decreasing order of reactivity with me active compound first). Rank the following compo re Cl NO 2 NO 2 Cl NO 2 Cl Cl NO 2 Cl Cl NO 2 NO 2 1 3 4 5 NO 2 2 NO 2 . 5 > 1 > 4 > 3 > 2 . 5 > 4 > 1 > 2 > 3 . 4 > 1 > 5 > 3 > 2 . 1 > 5 > 4 > 2 > 3 . 4 > 5 > 1 > 2 > 3 A B C D E
Background image of page 8
___________________________ PRINT NAME 308 FINAL EXAM V1 SPRING 2008 9 10. electrons in the ground state of the allyl radical (CH 2 =CHCH 2 . ) are distributed as llows: ng orbital, one in a nonbonding orbital, and one in an antibonding . Two in a bonding orbital and one in a nonbonding orbital 11. onsider the following statements . The longest wavelength electronic transition in a ketone is n →π * -butadiene is at longer wavelength than the lowest nergy π →π *transition in 1,4-pentadiene. . A yellow compound has a lower energy electronic transition than a colorless compound.
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 10
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 27

308_final_exam_sp2008 - 308 FINAL EXAM V1 SPRING 2008 1 _...

This preview shows document pages 1 - 10. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online