The benzylammonium ion (c6H5CH2NH3+) has pka=9.33 and the propylammonium ion has pka=10.71. Which is the stronger base, benzylamine or propylamine

Q: pKa

A: According to the question, we need to determine the conjugate acid of the molecule and then…

Q: Which of the following is the strongest base? O Pyridine (pKb = 8.75) O Morphine (pKb = 5.79) O…

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Q: 2.4 8 (a) Define in words the following: (1) Ka (ii) p.Ka I (b) Calculate the pH of 0.0005 mol dm³…

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Q: Fill in the blanks: HA has a pka of 15, while HB has a pka of 5. The stronger acid is The stronger…

A: Please find your solution below : pKa shows the strength of and acid. It represents how strong or…

Q: A triprotic acid (H3A) has the following pKa values: • pKa1 = 3.0 • pKa2 7.0 •pKa3 = 11.0 %3D Using…

A: The acidic strength of a solution is directly proportional to the value of dissociation constant of…

Q: For each value of pKa, calculate the corresponding value of Ka. Which compound is the stronger acid?…

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Q: Sulphuric acid (H2SO4) has a PKa of -3. a) Write an equation showing how sulphuric acid can act as…

A: Sulphuric  acid is a very strong Acid as it can easily dissociate  into H+ ion .

Q: The pka of CH3COOH is 4.8 and the pKa of HCOOH is 3.8. Given this information, one knows that HCOOH…

A: We have to predict the correct statement on basis of pKa values.

Q: Sketch the general shape of the curve for a diprotic acid with Ka1 >> Ka2.  Explain how to determine…

A: volumetric Analysis

Q: For the following reaction: он `NH a-Label the acid and base in the starting materials. b-Draw the…

A: The given reaction is : CH3CH2CH2NH- + C5H10O ------------> CH3CH2CH2NH2 + C5H9O-  Acid :- Is the…

Q: 10. The Kb of pyridine (C5H5N) is 1.8 x 10-9. What is the Ka of pyridine's conjugate acid?

A: The reaction as follows,

Q: Arsenic acid, a triprotic acid, has 3 pKa values (2.24, 6.96, and 11.50). What is the predominate…

A: We will see the predominant form of arsenic acid at a pH = 4.00  You can see below details…

Q: 2-Methylvaleric acid, CH3(CH2)2CH(CH3)COOH, has a pKa =4.9. Draw the skeletal structure of the…

A: The compound formed when an acid donates its H+ ion is called a conjugate base. The pKa value of…

Q: What is the relationship between the value of pKa and the strength of a weak acid Differentiate…

A: pKa of any acid is given by  pKa = -log(Ka ) where Ka = dissociation constant of acid

Q: HA has a pka of 15, while HB has a pka of 5. The stronger acid is The stronger conjugate base is…

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Q: 7 NH2 2-aminopyridine 2-Aminopyridine has 2 nitrogens. Arrange the indicated nitrogens in decreasing…

A: Basicity is the tendency to donate electron pair

Q: Consider two acids: HCO2H (formic acid, pKa = 3.8) and pivalic acid [(CH3)3CCO2H, pKa = 5.0]. (a)…

A: a. We know that smaller the pka value larger is the Ka value and larger the ka stonger the acid . So…

Q: In the following reaction, identify the Lewis acid. (d) NH3 + CH3CO2H NH4 + CH3CO2 (a) CH;CO2 (b)…

A: The reaction taking place is given as, => NH3 + CH3CO2H -----> NH4+ + CH3CO2-

Q: Calculate the pKa of each acid and indicate which is the stronger acid. C6O2H8, Ka = 1.7 x 10–5…

A: The strength of any particular acidic species relates with its potential to release proton that is…

Q: 2. (D) Vitamin 'C' or ascorbic acid is an essential nutrient for human beings and certain other…

A: The tendency to gain a proton from a reaction is known as conjugate base.

Q: Weak acids do not dissociate completely in water and have pKa values of - 3 or higher. Which of the…

A: Given acids,    A. HNO3    B. HCl    C. H2SO4    D. H2CO3

Q: Show how you calculated the pka of the two acids A) phosphoric acid ph= 2.63 B) sulphurous acid ph=…

A: Answer: Given data- pH of phosphoric acid= 2.63 and pH of sulphurous acid= 2.30. To find - pKa…

Q: The pKa of CH3COOH is 4.8 and the pKa of HCOOH is 3.8. Given this information, one knows that HCOO-…

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Q: 2. Out of the following, which is incorrect? a) The Ka of an acid-base pair conjugate characterizes…

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Q: The pKas of the conjugate acids of -OH (conjugate acid H2O) and HPO42- (conjugate acid H2PO4-) are…

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Q: (a) Given that Kb for ammonia is 1.8 x10-5 and that forhydroxylamine is 1.1 x 10-8, which is the…

A: (a) The Ka and Kb are the dissociation constants of acids and bases respectively. Hence, higher the…

Q: Indicate whether a carboxylic acid (RCOOH) with a pKa value of 4.5 has more charged molecules or…

A: Henderson-Hasselbalch equation explains the relationship between pH of solution and pKa of acid. For…

Q: The pKa of ascorbic acid (vitamin C, page 55) is 4.17, showing that it is slightly more acidic than…

A: Introduction: The acid or base form after the losing or gaining a proton is called conjugate acid…

Q: Complete the following acid-base reaction by giving the structure of the conjugate acid anc…

A: Interpretation: We have to write the acid - base reaction.

Q: In each pair, select the stronger acid. Q.) Pyruvic acid (pKa 2.49) or lactic acid (pKa 3.08)

A: Ka is the acid dissociation constant. Therefore, higher the value of Ka, higher is the acidity.  pKa…

Q: Pyridine is a weak base with K, = 1.7x10-10. %3D C3H5N(aq) + H20) C5H5NH" (aq) + OH Write the K…

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Q: 3. Dimethylamine (CH3)2NH is a weak base with a pKa of 11.0 Calculate the pH of a solution of…

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Q: conjugate base is amphiphrotic/amphoteric if the given pka values are

A: Acid which has higher value of Ka, is the strongest acid. HClO4 is strongest strong

Q: An aqueous of benzoic acid and sodium benzoate has a pH of 5.1. The dissociation constant of benzoic…

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Q: assign the acid its appropriate pKa

A: 2-oxopropanoic acid is a strong acid than 3-oxobutanoic acid because of the electron withdrawing…

Q: The pKaa of the conjugate acid of guanidine is 13.6, making it one of the strongest neutral organic…

A: The conjugate acid of the guanidine is as shown above which has the presence of three nitrogen group…

Q: The pKa of the conjugate acid of guanidine is 13.6, making it one of thestrongest neutral organic…

A: Given: The given conjugate acid is guanidine. pKa=13.6

Q: Aniline (conjugate acid pKa 4.63) is a considerably stronger base than diphenylamine (pKa 0.79).…

A: In aniline the lone pair of nitrogen atom is delocalized on one benzene ring only.

Q: The base protonation constant K, of trimethylamine ((CH,) N) is 6.31 × 10 3 Calculate the pH of a…

A: In this question, we want to determine the pH of the Solution in one decimal place.  You can see…

Q: The pKa of three C – H bonds is given below. a. For each compound, draw the conjugate base,…

A: Conjugate base is formed when the acidic proton is removed in the acid-base reaction. The removal of…

Q: Select the best matches for the conjugates below. 1. H2SO4 2. HSO3 Conjugate base of H2SO3 3. HSO3…

A: Given, H2SO3 and HPO32-we are asked to write the conjugate base of H2SO3 and conjugate acidof…

Q: Quinuclidine and triethylamine are both tertiary amines. Quinuclidine, however, is a considerably…

A: Given data, The acid-base reaction has to be completed and the direction of equilibrium has to be…

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: which of these acids is the strongest? Ka for boric acid is 7.3 × 10–10 pKa of acetic acid is 4.75…

A: pKa of an acid is mathematically represented as shown below: pKa = -logKa Hence, we can write: Ka =…

Q: Given the following values of pKa, determine which is the weakest base of the answers listed. Acid…

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Q: (a) Given that Ka for acetic acid is 1.8 x 10-5 and that forhypochlorous acid is 3.0 x 10-8, which…

A: (a) The Ka value for acetic acid (CH3COOH) is 1.8×10-5. The Ka value for hypochlorous acid (HOCl) is…

Q: 4. How can you differentiate basicity of aniline, ammonia, dimethylamine, methylamine

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Q: Vitamin 'C' or ascorbic acid is an essential nutrient for human beings and certain other animal…

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Amines

Amines are organic compounds with a nitrogen atom having a lone pair of electrons on it. They are derived from ammonia (NH3) wherein hydrogen atoms are substituted by an aryl or alkyl group.