1.

Dextrorotary alpha- pinenehasaspecific rotation [alpha]_(D)^(20) =+52.3^(@).A sampleofalpha- pinenecontainingboth theenantiomerswasfoundto havea specificrotationa value [alpha]_(D)^(20) = + 30.8^(@). Thepercentagesofthe (+ )and (-)enantiomerspresentin thesamplearerespectively.

Answer»

`70% ` and 30%
80% and 20%
20 % and 80 %
60 % and 40 %

Answer :B


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