Can someone help me and go over these problems to ensure that the answer choice

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Can someone help me and go over these problems to ensure that the answer choice I got is correct or if it is wrong can someone provide feedback or an explanation to why a certain answer was chosen over the one I choose. Structures m through t are for questions l and the combinations o left and right OH groups on center 3 carbons of a Fischer projection. through 10 and bottom carbon Remember that drawing OH groups right left on the top does not matter. Though there are 8 combinations draw it does not mean that they represent 8 different com N How many total Rand r centers are in structure m? Chiral and pseudochiral centers are called stereogenic centers because switching two groups on either leads to another stereoisomer d, not a -c. 2. Structure n is? /a. ral but not meso b. chiral C, meso 3. What is the relation between structures g and s? int: Determine the stereochemical configuration (RS r/s) of both compounds constitutional isomers b. diastereomers antiomers d. equivalent. e, not a. d. 4. The earliest literature reference for the optical rotation of a pure enantiomer of a chiral stereoisomer of structures m-t lists a specific rotation of 7.35°. If a more recent reference gives a specific rotation of 10.3 for the same pure a enantiomer, assuming this latter rotation is correct, what was the composition of the major enantiomer of the 7.35 mixture? Interestingly, an elevated ratio of the major to minor enantiomer is an indication of a yeast infection in (1+7.35/10.3)x100% b (1-7.35/10.3)x100% c 35/10.3)N50% d fl 7,35H0.3)x50% ee not an-d. 5. Structure o for sure is? Structure o is a common sugar substitute and is poisonous to dogs d. L e. not a -d. How many unique compounds (stereoisomers) are in the family of structures m through (Hint: Do not depend on formulas. Name all the compounds to find out!) d. 8 e, not a -d 7. Structures p and r should have the same 13C NMR? a. true 8. Structures m and t should have the same taste? bl false a. true 9.-13. How many "CNMR signals should the following compounds have? Answers may be repeated 9. Structure o. 10. structure p C 11 b, 2 e, not a

Explanation / Answer

Answer-

1) d 3

2) Structure n is achiral because there is symetry.

3) The structures q and s are enantiomers because they are non-superimposable mirror images.

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