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Draw structures of all of the carbohydrates used, including inulin, with the exception of the syrup....
PRE-LABORATORY ASSIGNMENT Carbohydrates 1. Draw the structures of fructose (ring structures) present in a solution at...
PRE-LABORATORY ASSIGNMENT Carbohydrates 1. Draw the structures of fructose (ring structures) present in a solution at equilibrium. 2. An unknown carbohydrate showed a positive test reaction when tested with Fehling's reagent, turned red when reacted with Seliwanoff's reagent, and reacted quickly with Barfoed's reagent. What conclusions can be made about this compound? 3. What test could be used to differentiate between the compounds in each set? a. sucrose and maltose b. fructose and glucose c. lactose and glucose
2. For the carbonate ion, CO32-, draw all of the Lewis resonance structures including lone pairs...
2. For the carbonate ion, CO32-, draw all of the Lewis resonance structures including lone pairs of electrons. Draw the electron orbital diagram for the valence electrons of the central carbon before and after hybridization. Identify which carbon and oxygen electron orbitals overlap to create each single and double C-O bond in the structure.
Draw the Lewis structure (including resonance structures) for the acetate ion (CH3COO−). For each resonance structure,...
Draw the Lewis structure (including resonance structures) for the acetate ion (CH3COO−). For each resonance structure, assign formal charges to all atoms that have formal charge. Draw the Lewis dot structures for the acetate ion. Show the formal charges of all atoms. Include all hydrogen atoms and nonbonding electrons.
a) Draw a Lewis structure including all resonance structures and nonzero formal charges for the isolated...
a) Draw a Lewis structure including all resonance structures and nonzero formal charges for the isolated azide anion, N3- b) .Based on the Lewis structure, predict whether the two N-N bond lengths in the azide ion will be the same or different; if different, which one is longer; and whether the bond lengths are shorter or longer than those in N2 c) Draw a Lewis structure including all resonance structures and nonzero formal charges for hydrogen azide, HN3 d) Based...
Draw the Lewis structure (including resonance structures) for diazomethane (CH2N2). For each resonance structure, assign formal...
Draw the Lewis structure (including resonance structures) for diazomethane (CH2N2). For each resonance structure, assign formal charges to all atoms that have formal charge. Draw the molecules by placing atoms on the canvas and connecting them with bonds. Include all lone pairs of electrons. Show the formal charges of all atoms in the correct structures.
Instructions ·Draw structures for ALL top layer_ separa compounds in each layer, including solvent; consider relati...
Instructions ·Draw structures for ALL top layer_ separa compounds in each layer, including solvent; consider relative solubilities AND acid-base organic fraction (separated layers) reactions Fill in all blanks to identify layers. Use densities as needed. add brine bottom layer sample dissolved in ether top layer: sep add aq. NaOH bottom layer top layer add ether aqueous washes (separated layers) bottom layer:
Instructions ·Draw structures for ALL top layer_ separa compounds in each layer, including solvent; consider relative solubilities AND acid-base...
Draw the Lewis structure (including resonance structures) for methyl azide (CH3N3). For each resonance structure, assign...
Draw the Lewis structure (including resonance structures) for methyl azide (CH3N3). For each resonance structure, assign formal charges to all atoms that have formal charge.
1) Draw the mechanism for the radical reaction below, including potential resonance structures that explain the...
1) Draw the mechanism for the radical reaction below, including potential resonance structures that explain the product distribution. Draw ALL potential products. Assume only one chlorine is attached to each product. CI 5) Draw both potential products for the reaction below. Indicate the orientation of the groups within the products in the final compounds. 6) Draw the major product for the reaction below. In 10 words or less, explain your answer. OH Excess Br-Br HO
Help with problems #3 and #4 3 Draw the arrow-pushing mechanism of the reaction, including all...
Help with problems #3 and #4
3 Draw the arrow-pushing mechanism of the reaction, including all proton transfer steps. eOH 4. Below is the structure of a chalcone, with protons labelled 1-8. The H NMR spectrum is provided on the next page and lettered A-H for clarity. Describe the multiplicity and integration you would expect to observe for each of the protons. Which peak would you expect to have a higher chemical shift, 4 or 5? Draw resonance structures to...
3. Draw the arrow-pushing mechanism of the reaction, including all proton transfer steps. 4. Below is...
3. Draw the arrow-pushing mechanism of the reaction, including all proton transfer steps. 4. Below is the structure of your product, benzocaine, with protons labelled A-E. The 'H NMR spectrum is provided on the next page. Describe the multiplicity (with J values) and integration you would expect to observe for each of the protons. Which peak would you expect to have a higher chemical shift, C or D? Draw resonance OSO structures of benzocaine to explain your reasoning. NH2E
PRE-LABORATORY ASSIGNMENT Carbohydrates 1. Draw the structures of fructose (ring structures) present in a solution at equilibrium. 2. An unknown carbohydrate showed a positive test reaction when tested with Fehling's reagent, turned red when reacted with Seliwanoff's reagent, and reacted quickly with Barfoed's reagent. What conclusions can be made about this compound? 3. What test could be used to differentiate between the compounds in each set? a. sucrose and maltose b. fructose and glucose c. lactose and glucose
2. For the carbonate ion, CO32-, draw all of the Lewis resonance structures including lone pairs of electrons. Draw the electron orbital diagram for the valence electrons of the central carbon before and after hybridization. Identify which carbon and oxygen electron orbitals overlap to create each single and double C-O bond in the structure.
Instructions ·Draw structures for ALL top layer_ separa compounds in each layer, including solvent; consider relative solubilities AND acid-base organic fraction (separated layers) reactions Fill in all blanks to identify layers. Use densities as needed. add brine bottom layer sample dissolved in ether top layer: sep add aq. NaOH bottom layer top layer add ether aqueous washes (separated layers) bottom layer:
Instructions ·Draw structures for ALL top layer_ separa compounds in each layer, including solvent; consider relative solubilities AND acid-base...
1) Draw the mechanism for the radical reaction below, including potential resonance structures that explain the product distribution. Draw ALL potential products. Assume only one chlorine is attached to each product. CI 5) Draw both potential products for the reaction below. Indicate the orientation of the groups within the products in the final compounds. 6) Draw the major product for the reaction below. In 10 words or less, explain your answer. OH Excess Br-Br HO
Help with problems #3 and #4
3 Draw the arrow-pushing mechanism of the reaction, including all proton transfer steps. eOH 4. Below is the structure of a chalcone, with protons labelled 1-8. The H NMR spectrum is provided on the next page and lettered A-H for clarity. Describe the multiplicity and integration you would expect to observe for each of the protons. Which peak would you expect to have a higher chemical shift, 4 or 5? Draw resonance structures to...
3. Draw the arrow-pushing mechanism of the reaction, including all proton transfer steps. 4. Below is the structure of your product, benzocaine, with protons labelled A-E. The 'H NMR spectrum is provided on the next page. Describe the multiplicity (with J values) and integration you would expect to observe for each of the protons. Which peak would you expect to have a higher chemical shift, C or D? Draw resonance OSO structures of benzocaine to explain your reasoning. NH2E
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