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- Rank compounds L-P in order of decreasing acid strength, from lowest pk, to highest pka. Explain. L MWhich of the following compounds has the lowest pka? A) H N: B) C) D) ⒸH N-H E)0 The target diol is synthesized in one step from 1-methylcyclopentene, but your lab partner exhausted the supply of that alkene. Fortunately, you have plenty of isomers (CH₁) on hand from which to synthesize 1-methylcyclopentene and, ultimately, the diol. Provide the missing reagents and organic structures needed to most efficiently produce the target product. reagent 1 Compound A Draw compound A. Select Draw Rings More с H Compound B Erase reagent 2 Identify reagent 1. reagent 3 H3C.. HO ....|H OH
- Rank the following molecules according their acidity. (1 = lowest pka) OEt O 요 ii iiNet il 요 NEt₂ O O CF 3 Predict how the highest pka from question 9 compares with the lowest pka from question 8.Identify all the acidic hydrogens (pKa 25) in the following molecules:Two pk, values are reported for malonic acid, a compound with two COOH groups. Explain why one pk, is lower and one pk, is higher than the pKa of acetic acid (CH;COOH, pKg = 4.8). ple HO malonic acid HO, Но pk = 2.86 pk = 5.70
- CH30 carboxylic acid CH3C-OH ester 0 0 CH3COČCH, anhydride CH3CH2CHËI amide CH2CH3 CH3CH2CHCOCI none of the above ČH2CH3 Cengage Learning | Cengage Technical Support e y-axis and pH on the x-axis. If the points stv N IVUL 4IL VL LLIV VM tThe pKa for Molecule A is 10 units lower than Molecule B. Molecule A Draw conjugate base of A :B H H pKa = 10 Molecule B Draw conjugate base of B OCH3 :B H H pКa 3 20 Please provide a brief explanation for the difference in pKa of these to molecules.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.
- The higher the pK, value the weaker the acid. True False3), largest pka value? Which of the following carboxylic acid containing molecules has the ÇI COH CI ÇI CI CO2H COH .CO2H .CO2H CI CI CI (d) CI CI (a) (b) (c) (e)Protonated intermediates are common in more complex organic reactions. Which molecule when protonated is more acidic? (+) +) acetone diethyl ether acetone O diethyl ether
