Which of the compounds have the lowest pKA, why?

Q: Dicarboxylic acids have two pKa's. For maleic acid (cis-2-butenedioic acid) these are pka¹ = 2.0,…

A: This can be explaine on the basis of the geometric representation of maleic acid and fumaric acid.

Q: Acetic, formic, hydrofluoric, and acetylsalicylic acids have the following values of pKa (25°C),…

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Q: Two pk, values are reported for malonic acid, a compound with two COOH groups. Explain why one pk,…

A: pKa is defined as the negative logarithm of the acid dissociation constant. If the values of pKa is…

Q: The weakest of the acids below is and its pK is . The strongest of the acids below is |and its pK is…

A: Pk value  - which  measure the  strength  of acid in logarithmic scale.

Q: Which species is the conjugate acid of ammonia, NH3? Select one: O a. HẠN O b. H3N* O c. H2N O d.…

A: Base : The substance which gain the proton is called as base . The substance or the molecule formed…

Q: Citrus fruits are rich in citric acid, a compound with three COOH groups. Explain the following: a.…

A: Mixture of acid and base undergoes equilibrium reaction and it's pka-values determine their…

Q: H3C H3C HO, HO, OH NH2

A: Acidity means it's capacity to donate H+ ions.  Lesser the pka value higher is the acidity and vice…

Q: Treatment of indene with NaNH2 forms its conjugate base in a Brønsted–Lowry acid–base reaction. Draw…

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Q: ;; Which of the following carboxylic acid containing molecules has the largest pKa value? CI CI CI…

A: five carboxlic acid compound.    Each compound present a different side attached of chlorine atom.…

Q: Two pKa values are reported for malonic acid, a compound with twoCOOH groups. Explain why one pKa is…

A: The strength of an acid is determined by pKa values. Lesser acidic acid has more pKa and more acidic…

Q: A naturally occurring amino acid such as alanine has a group that is a carboxylic acid and a group…

A: Answer: Hey, Since you have posted a question with multiple sub-parts, we will solve first three…

Q: Molecules like acetamide (CH3CONH2) can be protonated on either their O or N atoms when treated with…

A: Molecules like acetamide (CH3CONH2) can be protonated on either their O or N atoms when treated with…

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: Be sure to answer all parts. Calculate the following values. (a) What is the pK, of NO₂? (K₂ of…

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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 higher the pK, value the weaker the acid. True False

A: The higher the pKa value weaker is the acid is true or false has to be given,

Q: Ammonia (NH3) is a weak base that under acidic conditions becomes protonated to the ammonium ion in…

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Q: The preceding equation for the protonation of acetamide shows a hypothetical product that is not…

A: The pKa represents the strength of an acid, which is calculated using acid dissociation constant…

Q: Given the normal blood pH is 7.35, what is the expected pKa of H2CO3 ([H2CO3] = 0.50M and [HCO3-] =…

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Q: The pKa value of CH3COOH/CH3COO- is 4.75. At what pH value are the concentration of CH3COO- and…

A: Acid and its conjugate base forms Acidic buffer.

Q: The isoelectric point of a zwitterion with an acidic pKa of 3 and a basic pKa of Select one: O a. 9…

A: Given pKa acidic =3 pKa basic = 6

Q: A weak acid has a pKa of 7.6. What is the proportion of A- to HA if pH is 9.08?  Round to one…

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Q: The pK, of H2O is 15.7 and the pKa of CH3COOH is 4.8. What label and reason correctly describe a…

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Q: Which

A: Lowest pKa or highest Ka both are same

Q: and

A: kc = 10Delta pka delta pka = pka of product - pka of reactant

Q: Both mepivacaine and bupivacaine are local anesthetics used in epidural blocks. Mepivacaine has a…

A: Since more the value of Ka , more will be the dissociation of the acids  Hence more will be the…

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: 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: In which solution will 0.000015 BaCl2 form a participate? a. 7.0x10^-7 M H2SO4 (ksp of BaSO4 =…

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Q: Which of the following carboxylic acids has the lowest pK value? HO2C HO2C HO2C F 1 F 2.

A: Acidity is defined as the ability of a molecule to release protons.  if a compound  easily donate…

Q: A naturally occurring amino acid such as alanine has a group that is a carboxylic acid and a group…

A: The part "a" contains insufficient data as table 2.1 is not mentioned and "Since you have posted a…

Q: Which of the compounds has a lower pKa. Explain your answer

A: A substance which donates a proton is known as acid. The substance which is formed after the removal…

Q: Protonation of 1,1,3,3-tetramethyl-2-X-guanidine has been shown to occur on the imino nitrogen when…

A: In Hammett plots, ρ is given as the slope of the curve of log k versus the substituent constants, σ.

Q: What is the indication of the relative acid strengths of the following acids? CH3CH2CHCICOOH…

A: The -I/-M groups are basically those groups which have a tendency to abstract the electron density…

Q: Two pKa values are reported for malonic acid, a compound with two COOH groups. Explain why one pKa…

A: pKa is inversely related to the acidic strength of the compound or Ka value which means greater 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: With a pKa of 1.2, squaric acid is unusually acidic for a compound containing only C, H, and O. :ÖH…

A: Squaric is highly acidic in nature when there is removal of one proton takes Place then, the…

Q: Using the pk, table, estimate pK, values for the most acidic group on the compounds below, and draw…

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Q: 3) . Which of the following carboxylic acid containing molecules has the largest pKa value? CI ÇI CI…

A: Concepts of acids and bases.

Q: What is the pKa of Sylvianic Acid if it is 2.3% dissociated at pH = 10.26?

A: pH = 10.26 => [H+] = 10-10.26 = 5.5 x 10-11  Degree of dissociation = 2.3% = 0.023

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: Between the compounds A and B, which one has lower pKa value and why? H. Hc Ha Ha A B

A: The compound which is cyclic, planar, conjugated and satisfies (4n+2)pi electron rule is called an…

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…

Q: The Ka of acetic acid is 1.7 x 105. What is the pk, of acetic acid? The pka of formic acid is 3.750.…

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Q: 1) HO. eller HO. eller CI HO HO.

A: Weak acid dissociated partially and the dissociation constant of a weak acid is given by: HA ⇔ H+  +…

Q: Phosphoric acid has pka values of approximately 2, 7 and 12. What are the relevant pKa for the…

A: Given, Phosphoric acid has three pKa values. pKa1 = 2 pKa2 = 7 pKa3 = 12

Q: (b)Given the K, and pK values of the following compounds: Hydrobromic acid (HBr), K= 1.0 x 10;…

A: Solution: We have general knowledge about pH , pKa.  From the pKa we can know about the acidic…