BIOLOGY
STRUCTURE OF GLUCOSE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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1. L2. Dextrorotatory
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1. D2. Laevorotatory
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1. L2. Laevorotatory
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1. D2. Dextrorotatory
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Detailed explanation-1: -Fructose is laevorotatory. It rotates the plane of polarized light in anticlockwise direction. Thus it is also called as levulose and is named as D-(-)-fructose.
Detailed explanation-2: -Reason: D-compounds are always dextro and L-compounds are always laevorotatory.
Detailed explanation-3: -Levorotatory (l; (-)): A substance that rotates plane polarized light in a counterclockwise direction. Indicated by including (-) before the compound name, or in the older literature, l, such as (-)-nicotine or (l)-nicotine. (S)-(-)-nicotine solution. (S)-(-)-nicotine solution.
Detailed explanation-4: -or British laevorotatory or laevorotary. : turning toward the left or counterclockwise. especially : rotating the plane of polarization of light to the left compare dextrorotatory.