CHM2210EXIVV4F11

CHM2210EXIVV4F11 - Last Name, First Name_ Page |1 Panther...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Page | 1 Last Name, First Name________________________ Panther ID________________ FLORIDA INTERNATIONAL UNIVERSITY Department of Chemistry & Biochemistry CHM 2210-U01 – ORGANIC CHEMISTRY I Fall 2011 EXAM IV Dr. Keller/Dr. Landrum Version 4 Instructions: Choose the BEST answer to each multiple choice question. Look over the Written Questions early during your test to be sure you allocate your time appropriately.
Background image of page 1

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

View Full DocumentRight Arrow Icon
Page | 2 Br NaOCH 3 CH 3 OH A) B) C) D) E) All are Equally stable A) B) C) D) Br B) Br H D) NH 2 C) Br NaNH 2 Excess Br Work-up 4 Cl C E) Na 1. Dehydration of alcohols involves A. Formation of a protonated alcohol B. Loss of the leaving group H 2 O C. Formation of a carbocation D. Is often accompanied by rearrangement E. All of the above 2. Which alkene would be the most stable? 3. How many moles of H 2 will react with the ene-yne shown below A. 5 - B. 6 C. 8 D. 13 E. 16 4. Which is/are the major product(s) expected from the following reaction? E) both C and D are expected 5. The stabilities of alkenes A. can be determined from the heats of hydrogenation B. Decreases with alkyl substitution C. Determines the E2 product formed according to Zaitsev’s rule D. Is the result of steric factors only E. A, B & C 6. Which carbocation would form during the addition of HBr to 2-methyl-2-butene? 7. The reaction below produces which product? H 2 C C H CH 2 CH 3 3 H 3 C C H 2 CH 3 2 H 3 C C 2 CH 3 3 H 3 C C H CH 3 CH 3 A) C) B) D)
Background image of page 2
Page | 3 CH3 D H NaNH 2 CH 3 CH 2 Br H 2 Ni 2 B(P-2) X Br A) B) C) D) E) CH 3 D H Br CH 3 D Br H H D CH 3 Br D CH 3 H A) B) C) D) E) Both B and D would be produced 8. Hydroboration of alkenes A. occurs in a single step to produce a diol B. results in syn diols C. requires oxidation of the alkyl borane D. is not regioselective 9. Oxymercuration/demercuration of alkenes A. occurs via formation of the bridged (cyclic) mercurinium ion B. produces syn -addition of H 2 O to the double bond C. requires oxidation of the carbon mercury bond D. is not regioselective 10. Which reaction of an alkene proceeds with anti addition? A. Hydroboration/oxidation B. Bromination C. Hydroxylation with cold KMnO 4 D. Hydrogenation E. Hydrochlorination (addition of HCl) 11. Zaitsev’s rule A. predicts the stability of the alkene formed B. predicts the product distribution for addition reactions of alkenes C. predicts the major product of
Background image of page 3

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

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 9

CHM2210EXIVV4F11 - Last Name, First Name_ Page |1 Panther...

This preview shows document pages 1 - 4. Sign up to view the full document.

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