conjugate acid base Phenoxide anion Allyl amine 2) Consider the reaction B: (-) + H₂O BH + HO. For the following named bases: a) draw the structure of the base, b) draw the structure of the conjugate acid, c) give the name of the conjugate acid, and d) give the approximate pKa value of the conjugate acid in multiples of 5. pKa Cycloheptanone enolate anion Aniline pKa pKa pKa
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- Dicarboxylic acids have two dissociation constants, one for the initial dissociation into a monoanion and one for the second dissociation into a dianion. For oxalic acid, HO2C—CO2H, the first ionization constant is pKal = 1.2 and the second ionization constant is pKa2 = 4.2. Why is the second carboxyl group far less acidic than the first?Conjugate acid base 2) Consider the reaction B:(-) + H3O+ → BH(+) + H2O. For the following named bases: 1) draw the structure of the base, 2) draw the structure of the conjugate acid, 3) give the name of the conjugate acid, and 4) give the approximate pKa of the conjugate acid (±1 pKa unit). For the purposes of answering this question you may use pKa values evenly divisible by 5. Benzoate anion Cyclopentadienide anion Diethyl amine Diethylamide anion pKa pKa pKa pKa1) Consider the reaction AH(+) + H₂O → A: + H₂O¹. For the following named acids: 1) draw the structure of the acid, 2) give the approximate pKa of the conjugate acid (±1 pKa unit), 3) give the name of the conjugate base, and 4) draw the structure of the conjugate base. For the purposes of answering this question you may use pKa values evenly divisible by 5. Acetylacetone pKa acid Conj. base acid Conj. base iso-Butyl amine pKa Imidazolium cation pKa sec-butyl oxonium pKa t-Butyl Acetoacetate pKa iso-propanol pka_ Ethyl Acetate pKa Anilinium cation pKa
- 2) Consider the reaction B: + H₂O BH + H₂O. For the following named bases: 1) draw the structure of the base, 2) draw the structure of the conjugate acid, 3) give the name of the conjugate acid, and 4) give the approximate pKa of the conjugate acid (±1 pKa unit). For the purposes of answering this question you may use pKa values evenly divisible by 5. Diethylamide anion Iodide anion Methanesulfonate anion t-butanol base conjugate acid base conjugate acid pKa Propanoate anion pka pKa pKa t-Butyl anion t-Butyl acetate enolate anion pKa pKa pKa 2-Methyl propene pka_1a) Consider the reaction AH(+) + H₂O A: + H3O+). For the following named acids: a) draw the structure of the acid, b) give the approximate pKa of the conjugate acid in units of 5, c) give the name of the conjugate base, and d) draw the structure of the conjugate base. p-Toluenesulfonic acid acid Conjugate base Imidazolium cation pka_ pKa iso-Propanol pKa Acetylene pKaConjugate base acid Iso-Butyronitrile pka_ → 1) Consider the reaction AH(+) + H₂O A:+H3O+. For the following named acids: 1) draw the structure of the acid, 2) give the approximate pKa of the conjugate acid (±1 pKa unit), 3) give the name of the conjugate base, and 4) draw the structure of the conjugate base. For the purposes of answering this question you may use pKa values evenly divisible by 5. N-methylimidazolium cation pka_ Triethyl phosphonoacetate pKa _ acid N-Ethylcarbamic pka_
- (a) Given that Ka for acetic acid is 1.8 x 10-5 and that forhypochlorous acid is 3.0 x 10-8, which is the stronger acid?(b) Which is the stronger base, the acetate ion or the hypochloriteion? (c) Calculate Kb values for CH3COO- and ClO-.Conjugate base acid 1a. Consider the reaction AH(+) + H₂O →> A:(-) + H3O+). For the following named acids: a) draw the structure of the acid, b) give the approximate pKa of the conjugate acid in units of 5, c) give the name of the conjugate base, and d) draw the structure of the conjugate base. Dimethyl sulfoxide pKa Acrylic Acid pKa Ethyl Acetate pKa Benzamide pKa2) Consider the reaction B: + H3O+ BH+H₂O. For the following named bases: 1) draw the structure of the base, 2) draw the structure of the conjugate acid, 3) give the name of the conjugate acid, and 4) give the approximate pKa value of the acid in multiples of 5. 1-butynide anion Phenyl anion base conjugate acid base conjugate acid pKa pKa Ethoxide anion Acetic acid pKa pKa Ş Ethyl acetoacetate enolate anion pKa Di-isopropylamide anion pKa Triethylamine pKa Diethyl ether pKa
- The pKas of the conjugate acids of -OH (conjugate acid H2O) and HPO42- (conjugate acid H2PO4-) are 15.7 and 6.8, respectively. First, identify which is the strong base, and which is the weak base. Then, explain how you can use these pKa values to help you identify which compounds will be separated at each step.BH(+) + H₂O. For the following named bases: 1b) Consider the reaction B: + H3O+ a) draw the structure of the base, b) draw the structure of the conjugate acid, c) give the approximate pKa of the conjugate acid in units of 5, and d) give the name of the conjugate base. Base Conjugate acid t-Butyl acetoacetate Imidazole enolate anion pKa name pKa name Triethylamine pKa name Cyclohexanecarbox ylate anion pKa nameConjugate acid base pKa 2) Consider the reaction B: () + H3O+ →>> BH(+) + H2O. For the following named bases: 1) draw the structure of the base, 2) draw the structure of the conjugate acid, 3) give the name of the conjugate acid, and 4) give the approximate pKa of the conjugate acid (±1 pKa unit). For the purposes of answering this question you may use pKa values evenly divisible by 5. t-Butoxide anion p-Toluenesulfonate anion Triethylamine t-Butanol pKa pKa pKa