3. Which of the following is the most reacti ve substrate in an El reaction? Br Br Br Br Mole II II IV A) I B II II D)...
Name: 1 What is the major product of the following reaction? (CHдЬсo (CHЊ,сон Br IV A) I B) II C) III D) IV 2. What is the major elimination product obtained from the following reaction? NaOMe MeOH Br IV A) I B) II C) III D) IV 3. Which of the following is the most reactive substrate in an E2 reaction? CHiCH(Br)CH2CHs (CHs)sCBr CH3Br CH3CH2CH2CH2Br п ш IV I B) II С) ш D) IV A) I 4 Which of...
11. Identify the product(s) of the following reaction. A. I B. II C. III D. IV E. V Gom Do is a From co be on) porno porno olyan 12. What is the final product obtained when toluene is subjected to the following reaction sequence? i) Clz (large excess), heat, hv; ii) OH-/H20, heat; iii) H30+ A. I OH B. II OH COH C. III U OH D. IV E. V I II Hol YCC, III HOCCI3 C/ стон с...
Question 1: Which of the following is a substitution reaction? OH Br A. I D. IV Question 2: Which of the following is an elimination reaction? он Cl Br SH Cl IV A. I B. C, 111 D. IV
Which of the following are possible products of the reaction shown? hv NBS Br Br Br Br III IV a) I, III and IV b) I and 11 C) I, II, III and IV d) I, II and III
Question 1 Which of the following hydrogens is the most acidic? II IV I III A. IV B. V C. III D.I E. II Question 2 What is the product, Z, of the following reaction sequence? iz H30+ T-H20)* ia. CI H307 + Z مل I II III IV A. IV B. II C. III D.V E.
What is the product of the following reaction? NaNH2 (2 equiv.) A) I B) II C) III D) IV 17) What is the major product of the following reaction? + 2HBr - Br A) Only II B) Only I C) Only III D) I, II, and I 18) What is the reagent required to accomplish the following transformation? A) 2eq. HCI B) C12 C) Bry/CCL4 D) SOCI2
19. Which of the following molecules are achiral? A) II, III B) I, II C) I, IV D) III, IV 20. How many stereogenic centers are present in ephedrine, a bronchodilator and decongestant? ephedrine A) 0 B) 1 C) 2 D) 3 21. Rank the following groups in order of decreasing priority according to the Cahn-Ingold- Prelog system. -NH2 -NHCH3 -CH2NH2 CH2NHCH3 п V . A) B) I>II> III > IV II >I>IV > III II C II >I> III...
1. Which of the following structures is/are a secondary alkyl
halide? (a) I and II (b) II and V (c) I, II and V (d) IV only (e)
I, II and III 2. Which of the following is/are aprotic solvent(s)?
Choose all correct answers. (a) (b) (c) (d) (e) (f) 3. Which of the
following carbocations, if formed, is (are) likely to undergo
rearrangement through a hydride shift? (a) I (b) II (c) III (d) I
and II (e) II...
What is the major product of the following reaction? Brz N H Br I. Br IV. W Br B Z-T II. V. 7-10 :ユー Br Br III. Br O ov 1 ON
Predict the product for the fallowing reaction. A) I B) II C) III D) IV E) none of these Predict the major product for the following reaction. A) I D) II C) III D) IV E) none of these