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  3. a sample solution of [(+/-)-co(en)3]i3 (with no im

A sample solution of [(+/-)-Co(en)3]I3 (with no impurities) is found to have [α]D = +77o, whereas a...

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Chemistry

A sample solution of [(+/-)-Co(en)3]I3(with no impurities) is found to have [α]D =+77o, whereas a pure enantiomer would give a value of[α]D = +89o. Calculate the exact percentageof (+) and (-) isomers present in the sample solution. (note: youmust first reason whether the rotation value indicates the totalamount of + isomer or the enantiomeric excess).

Answer & Explanation Solved by verified expert
4.4 Ratings (765 Votes)
When a beam of plane polarized monochromatic light falls on chiral chemical compoundthere occurs a change in its orientation depending on concentration of the chiral chemical compound and the pathlength travelled by the light Compounds enantiomeric forms which rotate light clockwise are said to be dextrorotary isomer and correspond with positive specific rotation values    See Answer
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