1-49 If the carbon atom in CH2CIBr were flat, there would be two stereoisomers. The carbon atom in CH₂CIBT is actuany tetrahedral. Make a model of this compound, and determine whether there are any stereoisomers of CH₂CIBr. H H H-C-CI Br-C-Cl Br H
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- Which of the following is the most probable identity of the substituent Q5-34 Eight alcohols have the formula C5H120. Draw them. Which are chiral? 5-35 Draw compounds that fit the following descriptions: (a) A chiral alcohol with four carbons (b) A chiral carboxylic acid with the formula C5H1002 (c) A compound with two chirality centers (d) A chiral aldehyde with the formula C3H5BrO5-54 Ribose, an essential part of ribonucleic acid (RNA), has the following structure: H H H OH CHO Ribose Но но н но н (a) How many chirality centers does ribose have? Identify them. (b) How many stereoisomers of ribose are there? (c) Draw the structure of the enantiomer of ribose. (d) Draw the structure of a diastereomer of ribose.
- Label following pairs of molecules as being either same same structure, completely different, constitutional isomers, or stereoisomers.2) Elimination reaction of alkyl halide is regioselective. Predict and name the major and minor product for the following elimination reaction. Justify your answer.How many total optical isomers would exist for the compound shown below?
- -C-Br+ HD H2O 250 (cH,CH>),C-Br (CH3CH2), -C- Br 750Exercice 3: Consider the following formula: H₂C- CH3 CH3 a) How many asymmetric carbon atoms are there? How many stereoisomers does this planar formula correspond to? c) Show the different stereoisomers in their most stable conformation, specifying the absolute configuration of the asymmetric C atoms. What stereoisomeric relationships exist between them?The molecule shown below has stereoisomers can exist. H-CION (10 HO-C-11 H-C-OH H-C-OH H-C-OH 11 O 2,4 O 4,16 O 1,2 O 3,8 O 5,32 asymmetric carbons, therefore different
- Which of the following molecules are isomers? (Make sure you can see all of all three structures.) ннн нннн H нн ннн H-C-C-Ċ-Ċ-OH H-C-0-Ċ-Ċ-Ċ-H H-C-C-0-C-C-C-H нннн H ннн нн ннн I II III O , I, and II O I and II I and III Il and III None of the molecules are isomerswhat are A,B,C,D,E,F,G,H,I,J,K?2) Elimination reaction of alkyl halide is regioselective. Predict and name the major and minor product for the following elimination reaction. Justify your answer.