Which of the following compounds are chiral? CI NH2 ○ ll and Ⅲ l and 11...
8. hch one of the following compounds is chiral? CH3 CI CI он v Br III IV Answer: 9. Consider the molecule ( taxol) shown below: он a) How many oxygen-bearing stereocenters are present in taxol? b) What is the index of hydrogen deficiency (IHD) of taxol?
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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...
Which of the following molecules is/are chiral? H СС 1- C- F H-C-F CI Select one: O a. II and III O o o o b. ll only c . I and II d . Ill only e. I only
Which of the following chiral compounds is(are) R enantiomer(s)? 1) I. II III но, CI. Н,с CH CI OH н,с 2) You found an organic compound containing chiral carbon atom with the following four substituents: HC C-, CI-, O C- and H2C-CH-, What would be the correct order of their priorities? A) HC C-> O-C->CI-> H2C-CH B) Cl->HCC-> 0-C-> H2C-CH C) Cl-> O C-> HC C-> H2C-CH D) Cl-> O-C-> H2C-CH-> HC C E) O-C-> Cl-> HC C-> H2C-CH 3)...
Are the following compounds chiral, achiral or meso?
b. Please state whether compounds IV and V are chiral, achiral, or meso (6 pts). Ph F3 CH3 Нас. Ph Н Br CI H Br CF3 IV V
Which of the following structures have the correct common name? CI Br Allyl chloride Vinyi chloride Isobutyl bromide tert-Butyl bromide Multiple Choice 0 w ll and I 0 II and IV 0 Ill and IV
Question 47 Which of the following compounds would be expected to react similarly in a chemical reaction? IV O A. 1, II, and IV O B. 1 and INv CII and IV D l, ll, and IV OE. I and I
Which of the following compounds are aromatic? 25. NH2 N: Which of the following structures, if flat, would be classified as antiaromatic? 26. HN 11 and Ⅳ (C) IV and V (D) only Ⅳ (B) only 11 (A) l and 111 Which nitrogen atoms are basic? 27. (A) 1 and 3(B) 2 and 4 H. (D)2,4,and5 (C) 1,3, and5 Nitrogen's lone pair electrons occupy what type of orbital in pyridine? 28. (A)s (B)p () sp(D)sp (E) sp
Which of the...
2. Which of the following compounds is most basic and why? ОН ОН NH2 NH2 ІІ ІІІ IV
14. Which of the following chiral compounds is(are) S enantiomer(s)? I. OH Hac H3C OH H3C ?CI H3C HC HCH2C HCH2C A) I B) II C) III D) I and II E) I and III "ci