1.Indicate the expected major product of the following reaction Page
Page 1 1. Indicate the expected major product of the following reaction: CH3 CH3 Cl NaOEt ? A) CH3 OEt CH3 B) CH3 CH3 C) CH3 CH3 D) CH3 OEt CH3 E) CH3 CH2 Ans: E
2.Predict the major product if the following reaction went by the S pathway: O.CCH Ans 3.f the of NaOH is doubled in the following reaction,what will happen to the reaction rate? Br H A)no change B)double C)quadruple D)cut in half E)none Ans:B Page2
Page 2 2. Predict the major product if the following reaction went by the SN1 pathway: Cl CH3CO2H ? A) O2CCH3 B) O2CCH3 C) D) O2CCH3 E) O2CCH3 Ans: E 3. If the concentration of NaOH is doubled in the following reaction, what will happen to the reaction rate? Br H H CH3 H NaOH A) no change B) double C) quadruple D) cut in half E) none of the above Ans: B
4.The major product of the following reaction conditions will result from: Br NaNs A)SN2 B)Sx1 C)E2 D)E1 E)there is no way to know Ans:C 5.Which ofhe follwing isthe easuii base? B)(CHCH)N Ans:E 6.To which side,if any,would the following equilibrium lie?(Do not consider any furthe reactions here.) 0+Br⊙ CH3 8盟 C)equally to the right and left Ans:A' Page3
Page 3 4. The major product of the following reaction conditions will result from: Br CH3 CH3CH2 NaN3 ? A) SN2 B) SN1 C) E2 D) E1 E) there is no way to know Ans: C 5. Which of the following is the least nucleophilic base? A) (CH3CH2)3N B) N C) N D) N E) N Ans: E 6. To which side, if any, would the following equilibrium lie? (Do not consider any further reactions here.) CH3 C CH3 H3C Br CH3 C CH3 H3C Br + + - A) to the left D) there is no way to tell B) to the right E) this reaction cannot occur at all C) equally to the right and left Ans: A
7.What would be the major organic product of the following reaction? ○c K*OC(CH3)3 HOC(CH为 CH2OC(CHa) e) CH3 D \nc Page4
Page 4 7. What would be the major organic product of the following reaction? CH2Cl K+ -OC(CH3)3 HOC(CH3)3 ? A) CH2OC(CH3)3 B) CH3 OC(CH3)3 C) CH3 D) CH2 E) CH2OH Ans: D
8.What would be the major organic product of the following reaction? CD, CHONa' OCH3 9 心 (racemic Ans Page5
Page 5 8. What would be the major organic product of the following reaction? C CH3 Br CD3 CH3O- Na+ ? A) C CH2 CD3 B) C CH3 OCH3 CD3 C) C CH3 OCH3 CD3 D) C CH3 CD2 E) OCH3 C CH3 CD3 (racemic) Ans: A