Consider the following structures for Questions 16-18: boog is 21 nolla CH3 CH, (2) CH₂ oliqogloun...
Use the following four structures to answer questions #16- #18 below. H H Br Br Br Br Br Br Br Br H H H A в C D 16. Which are diastercomers? (a) A and D (b) A and B (c) B and C (d) None of these are diastereomers 17. Which are enantiomers? (a) A and D (b) A and B (c) B and C (d) A and C 18. Which isa meso compound? (a) A (b) в (c)...
CHEM 2060 HOMEWORK #4 Chp. 5 and 6 Due March 5th, 2020, 1:20 PM! 1. Fill in the squares with the corresponding chirality (R or S) for the following pairs of chemical structures and determine whether they are Enantiomers, Diastereomers or the Same Compound. (20 points total) U - Br FT NH2 NH2 Br COH A) Enantiomers COZH C) Same Molecule B) Diastereomers CH3O HSCH CICH2 FH Hс-н H CH3 CHCI SHU A) Enantiomers B) Diastereomers C) Same Molecule back...
4. (3 pts) How are the structures below related? CH ICH CH3 CH CH3 нан A) B) identical molecules enantiomers constitutional isomers diastereomers D) 5. (2 pts) Diastereomers are stereoisomers that are A) mirror images of each other. B) not mirror images of each other. nonsuperimposable mirror images of each other. superimposable on each other. 6. (2 pts) In a Fischer projection, A) horizontal lines represent bonds that come out of the plane on wedges, and the vertical lines represent...
2. (3 points) Consider molecules shown below: CH3 CHs CH CHs CHs CI CCI CH CI CH CI- H-CCI H-CCI Н-с—н HCH H-CH H--CH H-CH H-CH HCCI CI H H Н-С—СI CI Cн, CHs CH CHs CH3 E D. C. A (a) Identify all pairs of diastereomers. CAACBE (b) Identify all meso compounds. (c) Identify all pairs of enantiomers. (A (810le AOLBO
Which of the following structures is most stable? 2) How many stereoisomers does the molecule below have? (СН), С+ снен снаси сна OH CH₃ br. a) 3 6) 4 c) 6 d) 8 e 9 3) Which of the following molecules below are chiral? 0) to A Boh A MOH HOS DBr e) 1, 2 and 3 a) Only 1 b) 1 and 3 c) 2 and 3 d) 1 and 3 What is the relationship between the following two...
please help! 1) Which of the following compounds is chiral? CH3-1-ci CH3-1-ci Br -1-ci CH3 CH3-1-Br CH3-1-ci CH3 3-1-C CH3 CH3 ci--c1 Br--Br CH3 2) What is the relationship between the structures shown below? H-|-Brand Br- -CH3 CH3 o Constitutional isomers Identical compounds O Diastereomers O Enantiomers O Configurational isomers 4) What is the product of the following reaction? MoBr 2. Fich, o V. HOCHẶCHỌCH-O V. II. CH CHCH-(O) OH CH2OH ON CH3CH II. HOCH2CH2– O III oll ON 01...
22. Which of the following structures has the Sconfiguration? CH2CH3 CH2CH3 HECCI ......CH н OH ну H2CH2C сна A) Only 1 B) Only II C) Only I and II D) I, II and III 23. Which of the following structures has the configuration? CH,CH, CH.CH OH ...CHHECH H HỊCHẠC \ D) I, II and III A) Only I B) Only II C) Only I and II 24. What is the relationship between the following compounds? OH om B) Diastereomers C)...
3. Assign Rors configuration to the following molecules: - Br Br F Br -CH CH.CH H CH2CHE CH2CH CH, CH -CH, OH H -CH=CH2 H3C 7 Сн, HI CH(CH3)2 4. Label each pair of stereoisomers below as A,B,C,D a. Enantiomers b. Diastereomers c. Identical d. Meso Compounds u 5. Write the complete stepwise mechanism for this reaction. Show all electron flow with arrows and show all intermediate structures. (10 Points) BE CHO -Br (or CI) Br
24 Ma 3. 11) In the reaction of Ch with ethane and UV light, which of the following reactions would be a propagation eventis 74 w I) C+CH3-CH3-CH3-CH2-C+ H- II) Cl+CH3-CH3-CH3-H2c HC III) CI+CH3-H2CCH3-CH2-c IV)Cl2+CH3-H2C CH3-CH2-C1 + Cl V) Cl2 + UV light CI+C ph A) reactions I and V B) reactions II, III and IV Thi op (IA, 2A. C) reactions I and IV D) reactions II and IV eoaional Usion of in becket are oation is avaab E)...
HELP tatMtiele Cheice 2.0peints.each Which of the fellowing structures is mest stable? How many stereaisomers does the molecule below have? 2) CH)HCtCH CHCH CH3 CH2 br OH e) 9 d) 8 c) 6 b)4 al 3 Which of the follewing molecules below are chiral? 3) HO Ho e) 1, 2 and 3 a) Only 1 d) 1 and 3 b) 1 and 3 c) 2 and 3 What is the relationship between the following two compounds? 4 сн, H- H...