Which statement is FALSE? Molecules that contain a chiral carbon will rotate pla
ID: 474093 • Letter: W
Question
Which statement is FALSE? Molecules that contain a chiral carbon will rotate plane-polarized light. If one molecule rotates plane-polarized light clockwise 10 degree, its enantiomer will rotate plane-polarized light counterclockwise by 10 degree. The D- and L- designation of sugars is determined by the chiral atom farthest from the most oxidized carbon. All sugars designated with a D-prefix will rotate plane-polarized light in a clockwise direction. Dextrorotatory sugars rotate plane-polarized light clockwise and are designated by a plus sign (+).Explanation / Answer
Option d is False.
D and l designation is given to the sugar based on the position of the -OH group. If it is on the right hand side, it is D and if it is on the left hand side it is L. D and L designation has nothing to do with rotation of the light. ofcourse the sugar will rotate plane polarized light but the direction of the ortation can only be predicted by an experiment.
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