Macroscale and Microscale Organic Experiments
7th Edition
ISBN: 9781305577190
Author: Kenneth L. Williamson, Katherine M. Masters
Publisher: Brooks Cole
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Wouldn't the oxygen be protonated since it becomes more electronegative through resonance and more willing to accept a proton?
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Which do you expect to have a more intense and concentrated “hot spot” of negative charge: methoxide ion or bicarbonate ion? Explain.
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- Pairs of unshared electrons can be pushed. One Lewis structure for the methoxy-methyl cation is . The structure contains a pair of pushable electrons, namely, the unshared electrons on the atom. The structure also contains a positively charged atom that can act as a . A second resonance structure can be generated by pushing the unshared electrons to the receptor. Thus, It is not possible to push electrons toward the other carbon, because it is not a receptor. If you tried to push electrons to this carbon, you would generate a pentavalent carbon, which is not possible.arrow_forwardFor 3a, how do I know which bond is stronger (broken or formed) and explain exactly how to use the electrospectral chemical series for this probkem. How do I know if its exothermic or endothermic?arrow_forwardWhich of the underlined protons for molecule 1 and 2 is more acidic and why?arrow_forward
- 8. Kindly please provide the answer only ASAParrow_forwardQ11. From each pair of species, determine the stronger base and justify your answer. (a) (b) CI مل مل or Br or ملarrow_forwardThe pka's of the the three hydrogens of phosphoric acid are 2.15, 7.2 and 12.3. These numbers tell us that it is much more difficult to remove the second and third hydrogens of phoshoric acid. Why do you think this is so?arrow_forward
- Draw the structure of the most abundant form of histidine in solutions whose pH values are 1, 3, 5, 7, and 11.arrow_forwardThe infrared spectrum of a compound is unique to the types and number of bonds in the molecule. Draw the structures of salicylic acid and aspirin. What are the key differences of the IR spectrum of aspirin with that of the starting material, salicylic acid? What are the similarities? Interpret the IR spectra of each by assigning the major peaks.arrow_forwardWhy is deuterium oxide used in many NMR experiments in place of water (H2O)?arrow_forward
- 3. The ranking of the acids in terms of increasing acid strength. 4. The ranking of the conjugate bases in terms of increasing base strength. 5.A justification for the rankings based on the factors that influence the relative stability of the different conjugate bases. I need to answer these for C3H5ClO2, ClCH2CO2, and CH3COOH. (Acetic acid, 3-chloropropanic, and chloroacetic acid). Pleaseeee help I will definitely ratearrow_forwardFor the part circled in white, I don't understand when simplifying this why we don't divide the coefficient in front of octane by 2. I thought it would be 1/2 Since we divided the other ones by 2.arrow_forwardLike nitrogen and carbon, oxygen also shows this same hybridization effect on acidity. Both of the following compounds can lose a proton from a positively charged oxygen with three bonds to give a conjugate base containing neutral oxygen with two bonds. One of these structures has pKa = -2.4, while the other has pKa = -8.0. Show the reaction of each compound with water.arrow_forward
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