32. Which of the following compounds has the best leaving group? Briefly explain (4pts) N(CH3)3 ~...
Which of the following compounds has the best leaving group? „N(CHub Select one: al b. 11 c. III d. IV e. All of these Next us page 7 HW (Answer key provided without energy diagrams) Jump to... Substitution Clutch Pn 9013 *
Rank the following set of compounds in order of increasing leaving group abililty in an addition and elimination mechanism (poorest leaving group at the left, best leaving group to the right). leaving group ability in an addition and Rank the following set of compounds in order of i elimination mechanism (poorest leaving group at the left, best leaving group to the right). NH2 OCH3 CI Best leaving group Poorest leaving group
1. Which of the following anions is the best leaving group? A. NH2 B. CI C. CH3 D. OH FH-
Which of the following compounds can react with benzaldehyde in an aldol condensation? Benzaldehyde os 0+ A compound has the empirical formula of C6H13CIO. The TH NMR integration values are 1=68, II=119, III=34. What are the actual number of each hydrogen atoms? 1=3, 11=7, 111=4 1=4, 11=6, 111=3 OI=3, 11=6, 11=4 1= 4, 11=7, III=2 Question 32 (3 points) Which aromatic ring would undergo EAS the fastest and why? Compound l; the lone pair on the group in I (OCH3)...
Determine whether the following compounds have or lack a good leaving group for substitution and elimination reactions. Has good leaving group Lacks good leaving group R-Br R-OH R-NH2 R-OMe R-CN R-CI R-OH R-OTS
6) Which of the following compounds has an R configuration? A) B) (HBC)3C H. H CICH3)3 F CH3 F CH₂ C) HỊCH,C CH(CH3)2 H, CH(CH3)2 HOH FH 7) Which of the following groups has the highest priority? A) -OH B) ---0-CH3 -C-H D) -O-CH3 E) -C-OH 8) What is the relative priority of the OH group in the following compound? HO A) 1 B) 2 C) 3 D) 4 9) Which of the following is not true about enantiomers? A)...
3. Rank these six ions/molecules in order of increasing leaving group ability (1 good, 6 poor) Remember that the weakest bases make the best leaving groups. (2.5 pts) 4. Three of the four reactions below contain a significant problem or error. Choose the letter (a statement that best describes the problem or error. write OK: Evaluate only what's written on this page: do not consider missing curved arrows, missing lone - f) of the If nothing is wrong. Do not...
4. Draw the lowest energy chair conformations for both of the following compounds. Which is more stable? Briefly explain. (8pts) 18 II llora nobsefoin smw.odo a) I c) Both have the same stability b) п 5. Draw the lowest energy chair conformations for both of the following compounds. Which is more stable? Briefly explain (8pts) beuo zed n bos enonsmothop beagndoa ow odb TotoKD ( .a1alil o enoemogoo boaee.ove dos 10 d II a) I b) II c) Both have...
The N,N,N-trimethylammonium group, -N(CH3)3*, is one of the few substituents on a benzene ring that is a deactivating, meta-directing group, yet has no electron-withdrawing resonance effect. Explain.
QUESTION 11 Which of the following compounds contains an alcohol functional group?! O A. CH3-CHO B. CH3-CH2-CO-CH3 C. CH3-CH2-O-CH2-CH3 D.CH3-CH2-CH2-COOH E. CH3-C(CH3)(CH3)-OH