Q: Match the unknowns with their correct class of organic compounds based on the given qualitative…
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Q: Rank the following compounds in order of increasing basicity in aqueous solution, east basic first…
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Q: Draw the products formed when each attached amine is treated with [1] CH3I(excess); [2] Ag2O; [3] Δ.…
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Q: Why is acetamide a much weaker base than ammonia? Select one: a. The adjacent C-O makes the lone…
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Q: Show how you would use appropriate acyl chlorides and amines to synthesize thefollowing amides.(a)…
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Q: Given that the pKa of carbonic acid (H2CO3) is 6.4, is sodium bicarbonate strong enough of a base to…
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Q: The pkb of methylamine, CH3NH2, is 3.36. Calculate the pk, of its conjugate acid, CH3NH3*. pka =
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Q: The pKa values for the carboxy and ammonium protons of phenylalanine are 2.58 and 9.24,…
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Q: Calculate the pKa of a acid at 25°C if its conjugate base has a pKb = 1.19
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Q: What percent of acetic acid is present in the acidic form at pH 5.0, assuming a pKa of 4.8?
A: Given,pH = 5.0pka = 4.8
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- Explain the observed difference in the pKa values of the conjugate acids of amines A and B.Given that the pKa of carbonic acid (H2CO3) is 6.4, is sodium bicarbonate strong enough of a base to deprotonate benzoic acid (i.e., push the acid-base equilibrium to the right)? What information led you to the answer to this question? Provide a short explanationThe following compound is derived from one of the twenty mammaliam "amino acids". It is the ethyl ester of arginine . If you offer a proton (H+) to this molecule, what is the expected conjugate acid that is formed. Draw its structure, thank you!
- Carnosine, found in muscle and brain tissue, acts as a buffer to neutralize small amounts of acid. The pKa of the conjugate acid of carnosine is close to 7.0. What is its structure?What is the ratio of ionized:unionized amine of glycine (pKa 9.60) in a solution at pH 8.0?Triethylenemelamine (TEM) is an antitumor agent. Its activity is due to its ability to cross-link DNA. a. Explain why it can be used only under slightly acidic conditions. b. Explain why it can cross-link DNA.
- Triethylenemelamine (TEM) is an antitumor agent. Its activity is due to its ability to cross-link DNA. a. Explain why it can be used only under slightly acidic conditions.b. Explain why it can cross-link DNA.Hypoglycin A, an amino acid derivative found in unripened lychee, is anacutely toxic compound that produces seizures, coma, and sometimesdeath in undernourished children when ingested on an empty stomach. (a) Draw the neutral, positively charged, and negatively charged forms of hypoglycin A. (b) Which form predominates at pH = 1, 6, and 11? (c) What is the structure of hypoclycin A at its isoelectric point?Although it was initially sold as a rat poison, warfarin is an effectiveanticoagulant used to prevent blood clots. Label the most acidic protonin warfarin, and explain why its pKa is comparable to the pKa of acarboxylic acid.
- When a amide is treated with SOCl2 ? What arises ?Although tryptophan contains a heterocyclic amine, it is considered a neutral aminoacid. Explain why the indole nitrogen of tryptophan is more weakly basic than one ofthe imidazole nitrogens of histidine.Starting with benzene synthesize the amino acid phenylalanine 1. using the strecker approach 2. by reductive amination