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- The weakest of the acids below is and its pK is The strongest of the acids below is and its pK is 4.21 4.76 imidazolium ion 5.64 8.20 succinate boric acid formic acid 4.21 4.76 imidazolium ion 5.64 8.20 succinate boric acid formic acid phosphoric acid succinic acid 3.75 7.00 p-nitrophenol 9.24 acetic acid 0.18 9.25 glycinamide ammonium ion 2.15 7.24Which of the following isomers (all have the same molecular formula of C5H1002) has the highest pka value? Please explain. OH OH OH3. Which one of the following answers represents the order of increasing bacisity for compounds the box? |(1) CH;CH,ONa (2) (CH),NNa (3) CH;CO,Na 2 (weakest base) < 1 « 3 (strongest base) O 1 weakest base) < 3 < 2 (strongest base) 3 (weakest base) < 2 < 1 (strongest base) 3 (weakest base) < 1 < 2 (strongest base)
- Calculate the Ka's for the following acids: (a) Citric acid, pKa = 3.14 (b) Tartaric acid, pKa = 2.98Given the following table of bond dissociation energies (in kcal/mol), what is AH° for this reaction? (CH3);С —Н + Br -Br (CH);С — Br + Н—Br | CH3-H 105 (CH3)3C-H 91 CH3-Br 70 (CH3)3C-Br 65 Br-Br 46 H-Br 88 O +7 kcal/mol O -7 kcal/mol O +16 kcal/mol O -16 kcal/mol O cannot be determined with this informationGive typed full explanation
- Part B Benzoic acid is a weak acid that has antimicrobial properties. Its sodium salt, sodium benzoate, is a preservative found in foods, medications, and personal hygiene products. Benzoic acid dissociates in water: C6H5 COOH(aq) + H₂O(1) C6H5COO- (aq) + H3O+ (aq) -1 The pK₂ of this reaction is 4.2. In a 0.66 mol L-¹ solution of benzoic acid, what percentage of the molecules are ionized? Express your answer to two significant figures and include the appropriate units.Arrange the following with respect to increasing EAS11) For the following reaction, identify the Lewis acid and the Lewis base and draw the curved arrow mechanism. H H -N - +) NH2 lewis base lewis Aciol SHN pinb!7 (P 12) Which of the following solvents can be used with NaNH2 and why? 02H (2 (9 HOʻHO H A.