A partially racemised `(+) -` 2-bromo-octane `(2^@ RX)` on reaction with aq. `NaOH` in acetone gives an alcohol with `80 %` inversion and `20 %` racemisation. What is the percentage of back-side attack ?
A. `10%`
B. `40%`
C. `80%`
D. `90%`
A. `10%`
B. `40%`
C. `80%`
D. `90%`
Correct Answer – D