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the real mt2 answer key

the real mt2 answer key - Chem 140C Midterm II Q1(10 points...

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Chem 140C Midterm II May 18, 2009 Q1_________(10 points) Q2_________(10 points) Q3_________(18 points) Q4_________(22 points) Q5_________(20 points) Q6_________(20 points) Total_________(100 points) Only use the front side of each page for your answers. Nothing on the back sides will be graded. If you write the exam in pencil or erasable pen, you give up your right to any kind of regrade. Name_______________________ PID#_________________________
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1. Carbohydrates (10 points). Draw an aldohexose of D-configuration in both a Fisher projection and in the corresponding chair form. Do not draw D-glucose. Lots of possibilities here
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2. Acidity and Basicity (10 points). Circle the 4 most acidic hydrogens in the molecule below and place them in order of their acidity with #1 being the most acidic and #4 being the least acidic. Work carefully. There will be no partial credit or regrades on this problem. Note: The acidic hydrogens may not be showing on the drawing. O OH O OH H H #4 #1 #2 #3
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3. Functional Group Reactivity (18 points). Show three ways to convert nitrobenzene to benzoic acid. Your methods may not use any
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