Answer questions a-c about the Bronsted acid-base reaction below using the identifying letters A-D below eachstructure. The pKa's for the acids of interest are: ethanol (pK, = 16.0), and bicarbonate ion (pK,a = 10.3).CHHO,ноCH3Acarbonateethanolbicarbonateethoxidea) The stronger base isb) Its conjugate acid isc) The species that predominate at equilibrium are (two letters, e.g. ac) Answer questions a-c about the Bronsted acid-base reaction below using the identifying letters A-D below eachstructure. The pKa's for the acids of interest are: ammonium ion (pK,=9.3), and acetic acid (pK,=4.8).NHCH3-NH3CH3-OHAammoniumacetateammoniaacetic acida) The stronger base isb) Its conjugate acid isc) The species that predominate at equilibrium are (two letters, e.g. ac)

According to Bronsted Lawry's concept of acid and bases. The acids are the substance that donates a…

Answered: Answer questions a-c about the Bronsted…

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter20: Acidity And Pka Of Phenols

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Problem 20CTQ

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[References] Answer questions a-c about the Bronsted acid-base reaction below using the identifying letters A-D below each structure. The pka's for the acids of interest are: phenol (pka = 9.9), and carbonic acid (pKa = 6.4). OH A phenol B bicarbonate C phenoxide OH D carbonic acid a) The stronger acid is b) Its conjugate base is c) The species that predominate at equilibrium are (two letters, e.g. ac)
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.
Answer questions a-c about the Bronsted acid-base reaction below using the identifying letters A-D below each structure. The pKa's for the acids of interest are: ethanol (pK,=16.0), and benzoic acid (pK,=4.2). HO CH3 но CH3 A D benzoic acid ethoxide benzoate ethanol a) The stronger base is b) Its conjugate acid is c) The species that predominate at equilibrium are (two letters, e.g. ac) Submit Answer Retry Entire Group 5 more group attempts remaining Previous Next Email Instructor Save and Exit fo
Answer questions a-c about the Bronsted acid-base reaction below using the identifying letters A-D below each structure. The pKa's for the acids of interest are: ammonia (pK, = 36), and acetone (pK, = 19.3). "NH2 CH CH3 NH3 CH3 A D acetone enolate amide acetone ammonia a) The stronger acid is b) Its conjugate base is c) The species that predominate at equilibrium are (two letters, e.g. ac)
Answer questions a-c about the Bronsted acid-base reaction below using the identifying letters A-D below each structure. The pKa's for the acids of interest are: hydrogen cyanide (pK = 9.3), and pyridinium ion (pK = 5.2). %3D H-CN :CN H. A в hydrogen cyanide pyridine cyanide pyridinium a) The stronger acid is b) Its conjugate base is c) The species that predominate at equilibrium are (two letters, e.g. ac) Submit Answer Retry Entire Group 7 more group attempts remaining Previous Next
Answer questions a-c about the Bronsted acid-base reaction below using the identifying letters A-D below each structure. The pKa's for the acids of interest are: methanethiol (pKa = 10.3), and benzoic acid (pK, = 4.2). OH CH3-S CH3-SH A benzoic acid methanethiolate benzoate methanethiol a) The stronger base is b) Its conjugate acid is c) The species that predominate at equilibrium are (two letters, e.g. ac)
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[References] Answer questions a-c about the Bronsted acid-base reaction below using the identifying letters A-D below each structure. The pKa's for the acids of interest are: acetic acid (pK, 4.8), and hydrogen bromide (pK,=-9). CH3 Br CH3 H-Br OH B acetic acid bromide acetate hydrogen bromide a) The stronger base is b) Its conjugate acid is c) The species that predominate at equilibrium are (two letters, e.g. ac) Submit Answer Try Another Version 1 item attempt remaining Visited Previous Nex Email Instructor Sav Cengage Learning | Cengage Technical Support
Answer questions a-c about the Bronsted acid-base reaction below using the identifying letters A-D below each structure. The pka's for the acids of interest are: ammonia (pK₂= 36), and ethyne (pka = 25). HC=CH A eltyne NH₂ Submit Answer B amide HC C: Retry Entire Group C ethyne anion a) The stronger acid is b) Its conjugate base is c) The species that predominate at equilibrium are (two letters, e.g. ac) NH3 D ammonia No more group attempts remain
The C-H bond in acetone, (CH3)C=O, has a pką of 19.2. Draw two resonance structures for its conjugate base. Then, explain why acetone is much more acidic than propane, CH;CH,CH3 (pKa = 50). %3D
Low-molecular-weight dicarboxylic acids normally exhibit two different pK, values. Ionization of the first carboxyl group is easier than the second. This effect diminishes with molecular size, and for adipic acid and longer chain dicarboxylic acids, the two acid ionization constants differ by about one pK unit. Dicarboxylic Acid Structural Formula pK,2 a1 Охalic НООССООН 1.23 4.19 Malonic НООСCH,COOH 2.83 5.69 Succinic HOOC(CH,),COOH 4.16 5.61 Glutaric HOOC(CH,),COOH 4.31 5.41 Adipic HOOC(CH,),COOH 4.43 5.41 Why do the two pK, values differ more for the shorter chain dicarboxylic acids than for the longer chain dicarboxylic acids?
(3 pts) For the following sets of compounds, place the compounds in order of increasing acidity, and justify your answer 4. Cl он Cl он он он IV он он он он Cil Ci IV Cl он он он Ci

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