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- 5. Circle all of the stereocenters in the molecule below. ОНRemaining Time: 40 minutes, 37 seconds. Question Completion Status: Moving to another question will save this response. Question 23 esc How many tetrahedral stereocenters are present in this compound? OH CH3CH₂CHCHCHCH₂CH3 CH3 CH₂CH3 A Moving to another question will save this response. O F2 20 F3 000 F4 Ma5. Draw the perspective structure of 1,3-dibromobutane and label any asymmetric carbon atoms with a start (*). Draw the mirror image for the compound and indicate the corresponding (R) and (S) configuration for each structure.
- Why would it only make one stereocenter?1. Draw the mirror image of the molecule shown in the figure above 2. Change the configuration of carbon #1 by exchanging the position of bromine and hydrogen atom then write the mirror image of the molecule 3. Identify the configuration of carbon #1 and #2 in all of the stereoisomers. 4. Label the stereoisomers (Example: A, B, C, D, E, F ....) and identify the relationship of each pair of stereoisomers.2) Draw a molecule that has one R stereocenter. Do not duplicate your example from question 1.
- Question 3: Please state whether each of the following molecules is chiral or achiral. If you believe it is achiral, indicate the element of symmetry [plane of symmetry or center of inversion] responsible for the achirality. H3C H3C |H3C OH Br Br -H H CI Br но H Н CI CI CI ОН НН ОН H CI ОН ОН Br- Br H3C. .H неи Н' С2Н5 Н CI CI Br >Find the stereocenter and encircle the four groups bonded to it.Check the box under each structure in the table that is an enantiomer of the molecule shown below. If none of them are, check the none of the above box under the table. OH " Molecule 1 OH Molecule 4 A НО С Onone of the above Molecule 2 OH Molecule 5 ..... OH Molecule 3 П Molecule 6 ОН ..... OH X 5
- assign the stereochemical configuration of the selected tetrahedral carbon chiral centers (R, S or N (not a chiral center)) and the alkene (E, Z or N (not a stereocenter)) that are indicated by the arrows (note that you do not have to assign the configuration of every chiral center in the molecule). If the atom in question is not a chiral center or is not a stereocenter circle N for neither.Indicate the stereocenters if any in the following molecules. 2) Indicate the stereocenters if any in the following molecules. b a.Construct a model in which a tetrahedral carbon atom has four different colored model atoms attached to it- red, green, orange and white representing 4 different atoms attached to the central atom. a) Does the atom have a plane of symmetry? why or why not? b) Now replace the green atom in your model with a second orange atom. Now two of the groups attached to the carbon atom are identical. Does the model now have a plane of symmetry? Describe it. c)A carbon atom has four different groups attached to the stereogenic center. Draw structural formulas for the following compound and mark stereogenic centers with as asterisk: 1-bromobutane, 2-bromobutane, 1,2-dibromobutane, 1,4-dibromobutane, 2,3-dibromobutane.