The specific rotation of (S)-2-iodobutane is +15.90o. (a) Draw the structure of (S)-2-iodobutane. (b) Predict the specific

Question:

The specific rotation of (S)-2-iodobutane is +15.90o.
(a) Draw the structure of (S)-2-iodobutane.
(b) Predict the specific rotation of (R)-2-iodobutane.
(c) Determine the percentage composition of a mixture of (R)- and (S)-2-iodobutane with a specific rotation of -7.95o.