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- 6. For each pair of compounds below determine whether they represent the same molecule, enantiomers, or diastereomers. CH H₂N H CH J OllinO 2||2 COOH C OH CH₂ OH NH₂ CH, COOH CH3 HO H₂N CH₂4 CH CCC COOH OH NH₂ NIIIIIC CH₂ H CH3 CH3 H₂N HO H₂N COOH CH OH 5- O J CH3 COOH O H CH₂ H COOH HO CH CH₂4 HOOC COOH ........ OH JCC H NH₂ NH₂ CH₂Identify the most stable chair conformation of the most stable isomer of 1,4-diethylcyclohexane. II II IV | || II IV7:42 y C Ô * » 4GE 73% 4. Draw the enantiomer and both diastereomers for each compound. If there is not an enantiomer or diastereomer, write NONE in the appropriate box. Then answer the following questions. a. Br Enantiomer Molecule 1 Molecule 2 diastereomer diastereomer Molecule 3 Molecule 4 1. How many different stereosomers are there for 2-bromo-3-chloropentane? 2. Which of the above molecules DO NOT rotate light? b. Enantiomer Molecule 1 Molecule 2 diastereomer diastereomer Molecule 3 Molecule 4 1. How many different stereosomers are there for 2-bromo-3-chloropentane? 2. Which of the above molecules DO NOT rotate light?
- ||| O STEREOCHEMISTRY Identifying the enantiomer of a simple organic molecule ander Coen Stractare in the table that is an Chianciom CHICER the tabl H CI ****** Br Explanation ay Molecule 1 BL CI Br H 0 Molecule 4 ****** H Br CI Onone of the above Check 1019 Molecule 2 Br H Cl 0 Molecule 5 Br ""H CI OCT 4 WITC Molecule 3 HO CI tv ♫ ***** Molecule 6 Br H hone *** CI H Br Tent ore, CHECK the home X OF CHIC 5 0/5 DOX Under Olivia Ⓒ2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | A TAO4. State whether these two are: a) the same molecule b) different compounds CH, CH, Cl- Br Br -Cl that are not isomers c) d) diastereomers e) enantiomers constitutional isomers но- но CH, CH, 5. a) How many stereocenters does this compound have? CH,Br b). How many stereoisomers are possible for this compound? OHWhich 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
- 1E.) Which of the following two conformers is lower in energy? Both conformers are of equal enery O A Conformer A is lower in energy. B Conformer B is lower in energy. It cannot be determinedStereoisomers are isomers that differ in spatial arrangement of atoms, rather than connectivity of atoms. Stereoisomers have different properties, especially in biological systems. Which is the stereochemical relationship between this pair of molecules? OH "OH 8p OH OH ...||| 4 A) enantiomers B) diastereomers C) identical compounds D) constitutional isomers E) Not isomers5) What is the relationship between each of the following pairs of molecules? Are the underlined answers correct? Explain. Br and Br (Identical Not Isomers Enantiomers Diastereomers I dentical the pos.tion of methul and Bromine becaure are at I and 3, Axial position. (b) Not Isomers Identical Enantiomers Diastereomers Br Br Br and Br (c) CHO CHO H OH HO--H COOH Not Isomers HO-H HO--H ČOOH Enantiomers Diastereomers Identical and (d) Br Enantiomers Diastereomers Not Isomers and Identical Br
- 5. (a) Identify the relationship of the two compounds below. (b) Write the most stable chair conformation for each. Br CH₂ and A. identical B. constitutional isomers C. stereoisomers D. unrelated Br CH₂Does the molecule below exist exist as a pair of enantiomers, as a pair of enantiomers? If so, change the bonds to wedges and dashes to reflect S stereochemistry. If the molecule does not check the box below. H CI C D x Ć G D c* e E(b) For each of the following pairs of structural formulas, indicate whether the two represent identical molecular species, constitutional isomers, enantiomers, or diastereomers. HOW HO HOlim Br Br H Br CH3 H Cl- H Br H. Cl CH3 CI H Cl H, H Cl OH Br Br