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- 1.What is the absolute configuration of this isomer of 2,3-dihydroxybutanal? pls explain.2. What is the absolute configuration of the enantiomer of the isomer?Rank the following groups in order of decreasing priority. −C≡CH, −CH(CH3)2, −CH2CH3, −CH=CH2Rank the following groups in order of decreasing priority. −COOH, −CH2OH, −H, −CHO
- Copy the structure and mark all stereocenters in each molecule and tell how many stereoisomers are possible for each Letter d, e and f only.Assign R/S configuration of all stereocenters.a) Draw a 2-dimensional structure of 4,5-dibromooctane and label, with an asterisk, thetetrahedral stereo centers.b) What is the maximum number of stereoisomers for this molecule?c) Draw Fischer projections of all the potential stereoisomers of (a).d) Label, on the above projections, all the stereocenters as R or S.e) Indicate the enantiomers, diastereomers and the meso compound if present.
- (a) Draw a three-dimensional line structure of (5R,6Z)-6,7-dichloro-5-hydroxynon-6-enal. Place the aldehyde group on the right-hand side of your drawing.(b) Give the Cahn-Ingold-Prelog priority order of the four groups (-OH, -H, -(CH2)3CHO, -C4H5Cl2) at the C5 stereocentre (Highest 1 > 2 > 3 > 4 Lowest).a. Draw the 14 constitutional isomers of molecular formula C8H9Cl that contain a benzene ring.b. Name all compounds that contain a trisubstituted benzene ring.c. For which compound(s) are stereoisomers possible? Draw all possible stereoisomers.a. Draw the 14 constitutional isomers of molecular formula C8H9Cl that contain a benzene ring. b.Name all compounds that contain a trisubstituted benzene ring. c.For which compound(s) are stereoisomers possible? Draw all possible stereoisomers.