Ch 7 practice Q

Ch 7 practice Q - CHAPTER 7 Entering yet another chapter,...

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CHAPTER 7 Entering yet another chapter, the third for the coming exam – you are almost ready. 1. Indicate the expected major product of the following reaction: CH 3 CH 3 Cl NaOEt ? A) CH 3 OEt CH 3 B) CH 3 CH 3 C) CH 3 CH 3 D) CH 3 OEt CH 3 E) CH 3 CH 2 Ans: Page 1
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2. Predict the major product if the following reaction went by the S N 1 pathway: Cl CH 3 CO 2 H ? A) O 2 CCH 3 B) O 2 CCH 3 C) D) O 2 CCH 3 E) O 2 CCH 3 Ans: 3. If the concentration of NaOH is doubled in the following reaction, what will happen to the reaction rate? Br H H CH 3 H NaOH A) no change B) double C) quadruple D) cut in half E) none of the above Ans: Page 2
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4. To which side, if any, would the following equilibrium lie? (Do not consider any further reactions here.) CH 3 C CH 3 H 3 C Br CH 3 C CH 3 H 3 C 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: 5. What would be the major organic product of the following reaction? CH 2 Cl K + - OC(CH 3 ) 3 HOC(CH 3 ) 3 ? A) CH 2 OC(CH 3 ) 3 B) CH 3 OC(CH 3 ) 3 C) CH 3 D) CH 2 E) CH 2 OH Ans: That wasn’t too difficult, or? Page 3
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6. Which would be true of the following reactions? A) cis would react faster B) trans would react faster C) cis and trans would react at the same rates D) no reaction is expected under these conditions E) the product shown would not be formed Ans: Do you know the reason for the correct answer (lucky guess doesn’t count)? 7. What would be the major product of the following reaction? CH 3 CH 2 CH CH 3 Br ? KOH heat A) H 3 C C C CH 3 H H B) CH 3 CH 2 CH CH 3 OH C) H 3 C C C CH 3 H H D) CH 3 CH 2 CH CH 2 E) CH 3 CH 2 C CH 3 O Ans: 8. Which mechanism proceeds with inversion of configuration? A) bimolecular elimination (E2) D) bimolecular substitution (S N 2) B) unimolecular elimination (E1) E) free-radical halogenation C) unimolecular substitution (S N 1) Ans: Page 4
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9. Which of the bases below would be best to accomplish the following reaction?
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Ch 7 practice Q - CHAPTER 7 Entering yet another chapter,...

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