34. What is the best reagent for the following transformation? 
(A) HF
(B) CuF
(C) HBF₄
(D) Bu₄NF
(E) F₂

30. Which of the following would correctly describe the respective 13C NMR and 1 H NMR spectra for the indicated atoms for the compound shown below?  (A) Atom 1 would produce a peak at 205 ppm and atom 2 would appear as doublet (B) Atom 1 would produce a peak at 175 ppm and atom 2 would appear as a singlet (C) Atom 1 would produce a peak at 205 ppm and atom 2 would appear as a triplet (D) Atom 1 would produce a peak at 175 ppm and atom 2 would appear as a triplet (E) Atom 1 would produce a peak at 175 ppm and atom 2 would appear as a doublet

31. What is the major product of the following reaction?  

32. What is the major product of the following reaction? (A)(B)(C)(D)(E) None of the above.

33. How would you carry out the following transformation?  (A) 1. (a) NaOH, (b) CH3CH2Br; 2. Na, NH3(l) (B) 1. Na, NH3(l); 2. (a) CH3MgBr, (b) CH3CH2Br (C) 1. (a) NaNH2, (b) CH3CH2Br; 2. H2, Lindlar’s catalyst (D) 1. (a) NaNH2, (b) CH3CH2Br; 2. Na, NH3(l) (E) 1. (a) BuLi, (b) CH3CH2Br; 2. H2, Lindlar’s catalyst

35. What product would you expect of the following transformation?  

36. In the following reaction, what is the major product?  

37. In the following reaction, which compound is the major product? (A) No reaction 

38. Which of the following reagents could not be applied to the following transformation?  (A) HgCl2, CaCO3, acetone (B) NiCl2, NaBH4, DMF (C) Raney-Ni, EtOH (D) n-Bu3SnH, AIBN, benzene (E) All of the above work well.

39. What is the final product of the following reaction? (A)(B)(C)(D)(E) None of the above.

40. In the following reaction, what is the major product?