ctri3. Are the following molecules chiral or achiral? What features lead you to this conclusion? Identifythe chiral centers in each molecule and assign an R or S stereochemical configuration to each.-chiralBrChivalH3CH.CI4. Identify the chiral centers in the following molecule and label each as R or S.

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Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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For the following molecules, draw all possible stereoisomers using line-angle formulas with wedge/dash notation. Label the stereocenters as R or S. Indicate which ones are enantiomers and which ones are diastereomers. (Remember: there are 2 stereoisomers possible for a molecule with n chiral centers) (A) (B) (C) (1 chiral center) Br OH (2 chiral centers) CI OH CH3 (3 chiral centers)
Label each molecule with chiral centers (R) and (S). Which ones have more than one?
What is the stereochemical outcome of this reaction? 1. BH3-THF 2. H₂O2, NaOH (aq) a single chiral molecule enantiomers, unequal amounts diastereomers, equal amounts a single achiral molecule diastereomers, unequal amounts enantiomers, equal amounts product(s)
3. Are the following molecules chiral or achiral? What featur the chiral centers in each molecule and assign an R or S st CI Br Br CI-
11. Consider the following compounds: ÇO,H CHO ОНС H. ОНС CO,H H3C- -- H. HO- H3C H. O, H ČOH HO, CH3 B (a) Label the asymmetric carbons as R or S on each compound (A - C). (b) Which compounds, if any, are enantiomers? diastereomers? identical?
Which statement is correct about stereoisomers A, B, and C? H- CI CH3 S S CH3 A CI -H CI H A and B are enantiomers, C is a meso compound. A and C are enantiomers, B is a meso compound. A, B, and C are all meso compounds. Band C are enantiomers, A is a meso compound. CH3 R R CH3 B -H - CI H- H CH3 S R CH3 C CI -CI
6. Each of the following pairs of compounds contains one chirality center. Determine whether they are the same compound or enantiomers. If they are superimposable, they are the same. If they are nonsuperimposable, they are mirror images, they are enantiomers. Br C1 I_CC1 I— H Ме- Me-C Br Et H Br Cl H C-I Me-C Et Br H I-C Br Me BrC-I H H Et-C Br Me Me H H-C Br Me Et 1 2 Sk 954~ Rost 45 r Si
Label the following as structural isomers, conformational isomers, diastereomers, enantiomers, or identical CN HC. Br НО CH₂ Bri Н OH OH НО HO Н OH O H OH Н HO H О HOH.C.. H H HO H OH OH ZH LOH H Br Br Br Br co H H2N- -H HS. CH₂SH HÌNH, OH
Which one of the following molecules is chiral? HN NH H2N °C HO. но CH2 || H2N HO, CHO H- Но HO- H- Но CH2OH
Is the following compound chiral, and does it have an enantiomer? Me -Me It is chiral, and it has an enantiomer. It is chiral, but it does not have an enantiomer. It is not chiral, and it does not have an enantiomer. It is not chiral, but it does have an enantiomer.
1) Identify each of the following molecules as chiral or achiral. Assign R/S configuration for any chiral centers in them. HO. НО. OH NH₂ HO. HO HO Br OH OH НО OH OH .NH₂ OH OH

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3. Are the following molecules chiral or achiral? What feature the chiral centers in each molecule and assign an R or S ste -chiral cantur . ןווי1 CI Chival anter Br Br nirgl, doesnt CI-