Chemistry 1451 Exam 5 questions with answers

Chemistry 1451 Exam 5 questions with |\ |\ |\ |\ |\ |\




answers

monosaccharide - CORRECT ANSWERS ✔✔simple sugar |\ |\ |\ |\ |\ |\



that has usually between 3-7 carbon atoms
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aldose - CORRECT ANSWERS ✔✔has an aldehyde (CHO)
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group on the first carbon atom.. the rest of the carbon
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atoms are hydroxylated (have alcohol groups attached)
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ketose - CORRECT ANSWERS ✔✔has a ketone group
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attached to the second carbon and the rest of the carbons
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are hydroxylated
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chiral - CORRECT ANSWERS ✔✔mirror image is not
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identical


achiral - CORRECT ANSWERS ✔✔mirror image is identical
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enantiomers - CORRECT ANSWERS ✔✔a pair of a chiral
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molecule and it's non identical mirror image
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,diastereomers - CORRECT ANSWERS ✔✔molecules with a |\ |\ |\ |\ |\ |\ |\



stereocenter that are not mirror images of eachother but |\ |\ |\ |\ |\ |\ |\ |\ |\



are still different
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stereocenter - CORRECT ANSWERS ✔✔carbon atom that |\ |\ |\ |\ |\ |\ |\



is connected to four different groups
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D formation - CORRECT ANSWERS ✔✔hydroxyl group is on
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the left
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L formation - CORRECT ANSWERS ✔✔hydroxyl group is on
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the right
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furanose - CORRECT ANSWERS ✔✔5 membered |\ |\ |\ |\ |\ |\



pentagonal shaped ring |\ |\




pyranose - CORRECT ANSWERS ✔✔6 membered |\ |\ |\ |\ |\ |\



hexagonal shape |\




When drawing a cyclical monosaccharide the left side is
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placed in the __ position - CORRECT ANSWERS ✔✔up
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When drawing a cyclical monosaccharide the right side is
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placed in the ___ position - CORRECT ANSWERS ✔✔down
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, anomeric carbon - CORRECT ANSWERS ✔✔the new |\ |\ |\ |\ |\ |\ |\



chirality center in a cyclical monosaccharide (carbon #1)
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alpha ring position - CORRECT ANSWERS ✔✔hydroxyl
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group on the anomeric carbon is in the opposite direction
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of the 6th carbon atom
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beta ring position - CORRECT ANSWERS ✔✔the hydroxyl
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group on the anomeric carbon is in the same direction as
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the 6th carbon atom
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hemiacetal group - CORRECT ANSWERS ✔✔carbon with |\ |\ |\ |\ |\ |\ |\



an ether group and an alcohol group attached to it
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mutarotation - CORRECT ANSWERS ✔✔changing back and |\ |\ |\ |\ |\ |\



forth between alpha and beta anomers
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disaccharides - CORRECT ANSWERS ✔✔double sugars |\ |\ |\ |\ |\




oligosaccharides - CORRECT ANSWERS ✔✔3-10 |\ |\ |\ |\ |\



monosaccharides