Enantiomers
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EnantiomersQuestions
- Why do enantiomers smell different?
- Do enantiomers always have different physical properties?
- How are enantiomers related to each other?
- How can we separate enantiomers?
- How do bacteria distinguish enantiomers?
- How can I recognize enantiomers?
- Why are enantiomers non superimposable?
- Why are enantiomers optically active?
- What do D and L (like R and S) indicate in enantiomers?
- How can I draw the structures of the eight aldopentoses? Which are enantiomers?
- The pure #beta# and #alpha# forms of D-glucose rotate the plane of polarized light to the right by 112° and 18.7° respectively (denoted as +112 and +18.7). Are these two forms of glucose enantiomers or diastereomers?
- Do enantiomers always have an asymmetric carbon?
- Why only one of the enantiomers of glucose has that familiar sweet taste and only that enantiomer can fuel our cellular functioning?
- When are some of the physical and chemical properties of enantiomers indistinguishable from one another?
- How can I draw the structures of the two enantiomers of alanine?
- How can I draw the structures of the two enantiomers of cysteine?
- Do enantiomers always rotate polarized light?
- How do you draw enantiomers with perspective formula?
- How do you draw enantiomers with Fischer projection?
- Do enantiomers always change the color of light?
- In carbohydrates, if there is more than 1 asymmetrical carbon atom, how do we determine the D and L-forms?
- Can anyone explain to me how to identify epimers and anomers in carbohydrates (sugars)? Also, state examples.
- What is the difference between an enantiomer and a diastereomer ?
- What do L-, D-, R-, and S- (in enantiomers) stand for?
- If D- and L- glucose are enantiomers, are D- and L-fructose not enantiomers?
- How do you calculate the enantiomeric excess in the following problem? How would you calculate the percentage of each enantiomer in the mixture?
- Given the following information what is the enantiomeric excess (%ee) of the mixture?
- In racemic mixture, why are both enantiomers of compound present in equal amounts?
- If the enantiomeric excess of a mixture is 79%, what are the percent compositions of the major and minor enantiomer?
- The specific rotation of (R)-(+)-glyceraldehyde is +8.7. If the observed specific rotation of a mixture of (R)-glyceraldehyde and (S)-glyceraldehyde is +2.2, what percent of glyceraldehyde is present as the R enantiomer?
- What is the definition of ‘enantiomeric excess’? How may the enantiomeric excess of a compound be determined using a chiral chromatographic approach?
- What would be a reason that the specific rotation of enantiomers would differ (only by a degree or so) in magnitude?
- Given that observed rotation for (S)-2-bromobutane is +23.1degrees and that for (R)-2-bromobutane -23.1degrees, if the specific rotation of a sample of 2-bromobutane is -9.2degrees, what is the percentage of each stereoisomer in the sample?
- How would you determine the percentage of each isomer in the mixture?
- Why is only one of the enantiomers of Ibuprofen effective?
- Consider a solution that contains 66% R isomer and 34% S isomer. If the observed specific rotation of the mixture is -87.039; what is the specific rotation of the pure R isomer?
- What is an enantiomer (stereo) isomer?
- If a pure R isomer has a specific rotation of –142.0°, and a sample contains 77.0% of the R isomer and 23.0% of its enantiomer, what is the observed specific rotation of the mixture?
- Would glycine have enantiomers? Why or why not?
- How does the effectiveness of one enantiomer and not the other illustrate the theme of structure and function?
- Why are enantiomers important?
- Why do enantiomers rotate light?
- What does it mean to be enantiomerically pure?
- What is enantiomeric excess?
- How can you identify enantiomers?
- How do you find enantiomeric excess?
- How are enantiomers drawn?
- How can you determine whether a molecule is an enantiomer?
- How many enantiomers does glucose have?
- How do enantiomers rotate light?
- How are enantiomers separated?
- How do you separate enantiomers?
- How can enantiomers be distinguished?
- How do enantiomers differ from one another?
- How do enantiomers differ physically?
- Question #0de97
- If the ether-water distribution coefficient is 4 and I have 5 g of solute in 100 g of water, what mass of solute can I extract with one 35 mL portion of ether?
- Question #c47be
- Why do carbon centres with 4 different substituents generate a pair of optical isomers?
- Question #74c5e