Problem set 5-2 - (b) Which enantiomer is in excess, (R) or...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Problem set 5-2
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
5. . (R)-(+)-2-methyl-2-butanol has a specific rotation, [a] 25 D = +5.756 o A sample of 2-methyl-2-butanol has a specific rotation, [a] 25 D = + 1.151 o (a) What is the percent enantiomeric excess and optical purity of the sample?
Background image of page 2
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: (b) Which enantiomer is in excess, (R) or (S) ? ANSWERS 5-2 5. % optical purity = % enantiomeric excess = observed specific rotation of sample x 100% specific rotation of pure isomer = +1.151 o x 100% = 20.00 % +5.756 o...
View Full Document

Page1 / 4

Problem set 5-2 - (b) Which enantiomer is in excess, (R) or...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online