How does the pKe of the conjugate acid of benzylamine (CgH5CH,NH2) compare to the pk,'s of the conjugate acids of cyclohexanamine (10.7) and aniline (4.6)? Explain your choice.
Q: What percent of imidazole is protonated at physiological pH (7.4)?
A: pH= 7.4. We have to find the percentage of protonated imidazole at the pH of 7.4.
Q: Why an amino group (NH2) directs electrophilic aromatic substitutionto the ortho and para positions…
A: Amino group i.e -NH2 directs electrophilic aromatic substitution to the ortho and para positions.
Q: Treatment of indene with NaNH2 forms its conjugate base in a Brønsted–Lowry acid–base reaction. Draw…
A: Since more the acidic nature of the molecule is lesser will be the pKa value And since the acidic…
Q: Without looking at a table of pKa data, rank the following compounds in order of increasing ac (a)…
A: The given data: a) Benzoic acid, p-methyl benzoic acid,p-chlorobenzoic acid. b) p-nitrobenzoic acid,…
Q: Pyridine forms a stronger Lewis acid-base complex with SO3 than SO2. However, pyridine forms a…
A: The higher oxidative state the stronger the Lewis acid-base complex with pyridine. It's a general…
Q: what is the reaction between 3-nitroaniline conjugate acid with NaOH?
A: 3-nitroaniline conjugate acid and NaOH Bahut a resident being so there will be acid base reaction .…
Q: Provide an explanation without using the pka values : Why is phenol stronger acid than butanoic…
A: An acid is stronger than the other acid if it's anion is stronger than the anion of the other acid.
Q: cOOEt -014 resovcinol ethyl accteacebate methylumbelliferone 04 conduyote acid . -0lt Ho. -OH olt Ho…
A: Chem sketch of given diagram has to be given,
Q: Treatment of indene with NaNH2 forms its conjugate base in a Brønsted–Lowry acid–base reaction. Draw…
A:
Q: Complete the following acid-base reactions and predict the direction of equilibrium (to the right or…
A: of an acid is a measure of its strength. It is given by the expression where is the dissociation…
Q: A chemically modified guanidino group is present in cimetidine (Tagamet), a widely prescribed drug…
A: Given: A chemically modified guanidine group is present in cimetidine (Tagamet), a widely prescribed…
Q: Acetic acid can also react as a very weak base (pKb = 20). Two different sites on acetic acid might…
A: Conjugate acid base pair - Acids donate proton and base accepts proton. Acid and base which differ…
Q: Arrange the compounds in order of increasing base strength. Consult the table for the pK, values of…
A: Bronsted-Lowry acid-base theory: The Bronsted-Lowry acid-base theory states that the acid is a…
Q: The acidity of compounds will be effected by ____.
A: Acidity is an ability of a substance to donate a proton. Acid is a substance that gives H+ ions in…
Q: Ammonia (NH3) is a weak base that under acidic conditions becomes protonated to the ammonium ion in…
A:
Q: Given that the pKa of carbonic acid (H2CO3) is 6.4, is sodium bicarbonate strong enough of a base to…
A: Sodium bicarbonate, NaHCO3(aq) is a conjugate base of carbonic acid, H2CO3(aq). For carbonic acid,…
Q: 3. According to the Evan's pKa table, phenol has a pka of 9.95. p-Nitro and m-nitrophenol have pKas…
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Q: Which of the following substituent is an ortho/para-directing deactivator? a amino group b…
A: Which one of the following is correct
Q: The p K, of aniline is 9.37. Calculate the pH of the base solution after the chemist has added 255.8…
A: The question is based on the concept of titrations. we are titrating a weak base aniline with a…
Q: Following is an outline of a synthesis of the bronchodilator carbuterol, a beta-2 adrenergic blocker…
A:
Q: What is the conjugate acid of H2PO4 and of NO3-?
A: Base on adding H+ forms conjugate acid. Using this we will answer the given question.
Q: Which proton in ketamine (C13H16ClNO) is the most acidic and what is the structure of its conjugate…
A: After removal of acidic proton, negative charge formed should should gets stabilized. Conjugate…
Q: The pKa of protonated acetone is about -7.5, and the pKa of protonated hydroxylamine is 6.0. a. In a…
A: a).
Q: What effect might having the hydroxyl group alpha (next door to) the carboxylic acid have on the pKa…
A: Despite the fact that these compounds are weak acids since they are linked to typical carboxylic…
Q: Estimate the pKa of the acid.
A: We are given the titration curve for the titration of a weak monoprotic acid, HA with strong base.…
Q: Calculate the equilibrium concentration of Benzoate (C6H5CO2-) and pH when 5.50g of Benzoic Acid…
A: First of all, the dissociation of benzoic acid in water is shown as: Given that the, mass of…
Q: Silicic Acid structure is this: The pK,s are: 9.83 and 13.1 он но - si- он OH Draw each acid…
A: a.) Given compound is a weak acid with high values of pKa. To write acid reactions , we show it…
Q: Consider the following compounds that vary from nearly nonacidic to strongly acidic. Draw the…
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Q: Hypoglycin A, an amino acid derivative found in unripened lychee, is anacutely toxic compound that…
A: Given compound,
Q: The pKa of acetamide (CH3CONH2) is 16. Draw the structure for its conjugate base and explain why…
A: In the acetamide, nitrogen is more electronegative than carbon. Thus, the conjugate base is formed…
Q: What is the pKa of the imide proton of naphthalimide? To what do you attribute its acidity
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Q: Complete the following acid-base reactions and predict the direction of equilibrium (to the right or…
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Q: A solution was prepared at 25°C in which the ratio of methylamine (CH3NH2) to the salt…
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Q: Consider acid acid and trifluoroacetic acid. The pKa of acetic acid is 4.75. VWhich of the…
A: Note: a,b are false because pka valude of trifluoroacetic acid is lower than acetic acid. The…
Q: Consider the following compounds that vary from nearly nonacidic to strongly acidic. Draw the…
A: Given Data: CH4 CH3NO2 CH2(NO2)2 CH(NO2)3pKa≅50…
Q: Using the pk, table, estimate pK, values for the most acidic group on the compounds below, and draw…
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Q: Which carboxylic acid has the lower pKa, pyruvic acid (CH3COCO2H) or acetoacetic acid…
A: The acidity of a compound depends on the stability of the conjugate base. In pyruvic acid, adjacent…
Q: Which has a lower pKa value, the conjugate acid of 3-bromoquinuclidine or the conjugate acid of 3…
A: The element with high electronegative capacity will have tendency to abstract electrons towards…
Q: When N,N-dimethylaniline is treated with chlorine and aluminum trichloride, ortho and para products…
A: When aromatic ring contains electron donating group, then electrophilic addition occurred at ortho…
Q: The hydrolysis of the ester shown here is catalyzed by morpholine. Explain how morpholine catalyzes…
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Q: 3. According to the Evan's pKa table, phenol has a pka of 9.95. p-Nitro and m-nitrophenol have pKas…
A: Ka is the acid dissociation constant. pKa is defined as the negative logarithm to base 10 of Ka.…
Q: 1.95 grams of ethanolamine were dissolved in water, and the pH of the solution was adjusted with HCl…
A: Answer: In this question we have to calculate the pH of a buffer solution of weak acid (…
Q: The pK, and pK,2 of ortho and para isomers of phthalic acid (diprotic acid) are shown below: pK pK2…
A: There are number of factors detaining the acidity of benzoic acid. These are, 1. Inductive effect…
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
Q: Why is the conjugate acid of morpholine more acidic than the conjugate acid of piperidine?
A: According to Bronsted-Lowry acid base theory, a conjugate acid of a base is obtained by gaining a…
Q: if the pKa value for p-nitrophenol is 7.08, what fraction of it exists in its ionized form at (a) pH…
A: Henderson's equation for buffer solutions is :
Q: The pKa of the conjugate acid of guanidine is 13.6, making it one of the strongest neutral organic…
A: The given conjugate acid is guanidine. pKa is 13.6.
Q: B) Consider the reaction Bi() + H3O* → BH + H20. For the following named bases: a) draw the…
A: Since no data is given. Hence I'm using appendix for the approximated value of pKa of conjugate…
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- According to the Evan's pKa table, phenol has a pKa of 9.95. p-Nitro and m-nitrophenol have pKas of 7.14 and 8.35 respectively. Using resonance structures, explain the observed trends in the acidity of these molecules.Rank the pKa values of the conjugate acids for nosylate, tosylate, and brosylateCarnosine, 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 conjugate acid of acetamide and its pka value?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 explanationwhat is the structure of o-methylphenoxide anion and what is its pKa?
- The pKa values of the carboxylic acid groups of oxaloacetic acid are 2.22 and 3.98. a. Which carboxyl group is the stronger acid? b. The amount of hydrate present in an aqueous solution of oxaloacetic acid depends on the pH of the solution: 95% at pH 0, 81% at pH 1.3, 35% at pH 3.1, 13% at pH 4.7, 6% at pH 6.7, and 6% at pH 12.7. Explain this pH dependence.The pKa values of the carboxylic acid groups of oxaloacetic acid are 2.22 and 3.98.a. Which carboxyl group is the stronger acid?b. The amount of hydrate present in an aqueous solution of oxaloacetic acid depends on the pH of the solution: 95% at pH 0, 81% at pH 1.3, 35% at pH3.1, 13% at pH 4.7, 6% at pH 6.7, and 6% at pH 12.7. Explain this pH dependence.Explain the observed difference in the pKa values of the conjugate acids of amines A and B.
- explain in great detail why the pKa values are what they are and compare them among the three compounds. The conjugate acids that are protonated are drawn in red for each compound. Which one based on the pKa is most acidic and what does that tell you about how basic their lone pairs are?The pKa of acetamide (CH3CONH2) is 16. Draw the structure for its conjugate base and explain why acetamide is less acidic than CH3COOH.Which has a lower pKa value, the conjugate acid of 3-bromoquinuclidine or the conjugate acid of 3 -chloroquinuclidine?