Draw a structural formula for the following compound: (R)-2-chlorobutane. . Use the wedge/hash bond tools to indicate stereochemistry where it exists. • Use "flat" representations of rings, not chairs, in your drawing. In cases where there is more than one answer, just draw one.

Only three stereoisomers are possible for 2,3-dibromo-2, 3-dichlorobutane. Draw them, indicating which pair are enantiomers (optical isomers). Why does the other isomer not have an enantiomer?

Draw the structure of 2,3-dimethyl-1-butene. • Show stereochemistry only if given in the name. • You do not have to explicitly draw H atoms.

Draw a structural formula for 2,4-dimethylpentane. You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. CH4 ChemDoodleⓇ

Click on the button to activate the drawing utility. Draw another constitutional isomer with the molecular formula C-H,100 that is acyclic and contains a different functional group or groups than those found in the compound below. OH Functional Groups: Alcohol and Alkene 1. draw structure ...

Replace one of the H atoms in the ethane model with a Br atom, to form ethyl bromide CH3CH2Br, and draw a projection (lewis) and a perspective drawing.  Does replacing different hydrogen atoms in CH3CH3 to produce Ch3CH2br give you different isomers? (i.e. Are all the hydrogen atoms equivalent?) How many isomers of CH3CH2Br can you construct? Make a model of one other conformer of CH3CH2Br.  DId you need to break any bonds to form the second conformer from the first?

Carbohydrates- Draw out the Hawthorne structure for a sugar from the list given in class. Make sure to write out all atoms except for carbons within the ring. Make sure that groups off the carbons in the ring are in the correct orientation above or below the plane. Make sure that bonds are in the correct orientation. Include the full name of the sugar. You can draw out your curve within the text box or upload a drawing below.

What is the IUPAC name of the enantiomer of (2R,4S)-2,4-octanediol? (It is not necessary to use italics in writing compound names. The answer is case-sensitive.)

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