Destroyer O chem

[utdent20]

# 139 on the destroyer? can anyone explain that?

A Compound is 70% optically pure R. Which is true?
1) 70% R 30% S
2) 85 % S 15% R
3)85 % R 15% S
4)60% S 40%R
5) 70% R, 15 % S and the rest meso

 

[klutzy1987]

# 139 on the destroyer? can anyone explain that?

A Compound is 70% optically pure R. Which is true?
1) 70% R 30% S
2) 85 % S 15% R
3)85 % R 15% S
4)60% S 40%R
5) 70% R, 15 % S and the rest meso

Choice C i the answer. If it is 70% R then it ios 30 % racemic which means 85% and 15%.

 

[Orgodox]

Like Klutzy said. You have 70% R so now you have 30% left. This 30% is half S and Half R so 70+15= 85% racemic and 15% S

 

[utdent20]

OH Ok.. makes sense. Thanks. Klutzy and orgodox