Estimate the pKa of protonated phenol and protonated aniline
(shown below). State which of the molecules is a stronger
acid.
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Estimate the pKa of protonated phenol and protonated aniline
(shown below). State which of the molecules...
Organic Chemistry 4. Below are two molecules, B and C. Explain the differences in pKa of...
Organic Chemistry
4. Below are two molecules, B and C. Explain the differences in pKa of the two molecules by drawing the conjugate base of molecule C and a resonance structure that would not be found in molecule B. Hint: Draw out the NO2 group. conjugate base of molecule C pKa- 29.5 molecule B NO2 pka= 8.6 molecule C 5. Below is the molecule Abilify, which is a top selling drug that is used to treat schizophrenia, bipolar disorder and...
1) Which of the following molecules is most likely to be hydrophyllic? A)C6H15 B) C6H12O6 C) both of...
1) Which of the following molecules is most likely to be hydrophyllic? A)C6H15 B) C6H12O6 C) both of these D) none of these 2)Which of the following molecules is most likely to be hydrophobic A)NC3H6O2 B) C10H22 C) Na+Cl- D) none of these 3) Which of the following atoms are electronegative A) Carbon and Hydrogen B) Nitrogen and Oxygen C) All of these are electropositive 4) What is the next largest level of organization after cells? Tissues A) Cells B) Ecosystems C) The Biosphere 5) Which is...
3) Draw the products of each reaction shown below. Circle which side of the equilibrium (left...
3) Draw the products of each reaction shown below. Circle which side of the equilibrium (left or right) is favored based on your knowledge of Kos. and boo * 9. roho 4) The phenols shown below have approximate pka values of 4, 7, 9, 10, and 11. Which pk, value belongs to which phenol?
Which of the indicated hydrogen atoms, in the molecule shown below, is the most acidic? (i.e:...
Which of the indicated
hydrogen atoms, in the molecule shown below, is the most acidic?
(i.e: has the lowest pKa)
IMG 9579.JPG Search Which of the indicated hydrogen atoms, in the molecu 3 0 2 02 4
Estimate to ±0.1 the pH value of the following solutions: 1. 0.043 M sodium hydrogen carbonate...
Estimate to ±0.1 the pH value of the following solutions: 1. 0.043 M sodium hydrogen carbonate 2. 0.017 M sodium hydrogen tartrate Blood pH is regulated to stay within the narrow range of 7.35 to 7.45, making it slightly basic. Which form of the following molecules is predominant at pH 7.4 (draw formula in ChemDraw or ChemSketch with appropriate protons shown): 1. Pyridine 2. Ethylamine 3. Acetic acid 4. Citric acid 5. Ibuprofen (pKa =4.91) 6. Glycine 7. Amphetamine (pKa...
Biochemistry 4. The ionization of p-nitrophenol is shown below (pKa = 7.0): NO2 он weak acid...
Biochemistry
4. The ionization of p-nitrophenol is shown below (pKa = 7.0): NO2 он weak acid conjugate base a. (4 points) Identify the weak acid and conjugate base. b. (4 points)At pH 7, what are the relative concentrations of ionized and un-ionized p- nitrophenol? c. (4 points)If enough concentrated hydrochloric acid is added to a solution of p-nitrophenol to lower the pH from 7 to 5, what will happen to the relative concentrations of the ionized and un-ionized forms? d....
Integrated Problems #12 Common aspirin is acetylsalicylic acid, which has the structure shown below and a...
Integrated Problems #12 Common aspirin is acetylsalicylic acid, which has the structure shown below and a pKa of 3.5. The acidic hydrogen is indicated with the star. H 30: ö-H ö-C-C-H :0: H 1) What is the shape and hybridization around the carbon 1, carbon 2. oxygen 3. 2) What is the bond angle at 1, 2, 3? 3) What types of intermolecular interactions is this molecule capable? 4) Is acetylsalicylic acid a strong or weak acid? 5) Write a...
Need help with orgo!!! Super badly! 1. Which of the molecules shown below are achiral? A)...
Need help with orgo!!! Super badly!
1. Which of the molecules shown below are achiral?
A) only A
B) only B
C) only C
D) only A and B
E) only A and C
F) only B and C
G) A, B and C
2. Which of the molecules shown
below are achiral?
A) only A
B) only B
C) only C
D) only A and B
E) only A and C
F) only B and C
G) A, B...
5. The Latimer diagram for nitrogen in acidic solutions is shown below: +5 +4 +3 +2...
5. The Latimer diagram for nitrogen in acidic solutions is shown below: +5 +4 +3 +2 +1 0 -1 -2 -3 0.80 1.07 1.00 1.59 1.77 -1.87 1.41 1.28 NO3- ? N2O4 ? HNO2 ? NO ? N2O ? N2 ? NH3OH+ ? N2H5+ ? NH4+ (a) Write a balanced half reaction for reduction of NO to NH4+ in acid. (b) What is the value of Eo for the half reaction in part (a)? (c) Is this half reaction more...
please help in all sections asap!! Which of the molecules below is the expected major product...
please help in all sections asap!!
Which of the molecules below is the expected major product of the following reduction? H3C- CH3 Lindlar's catalyst HH Х НАС CH₃ HiC CH₂ We were unable to transcribe this imagePRINT Choose the correct reagents listed in the table below. 1)NBS, heat 2)NaOEt b AICI Na, CH3OH Hz, Lindlar's catalyst NH3 Conc. H2SO4 H2O+ 03. МСРВА DMS Enter the correct letter for each step of the reaction in the boxes below. (Reagents cannot be...
Organic Chemistry
4. Below are two molecules, B and C. Explain the differences in pKa of the two molecules by drawing the conjugate base of molecule C and a resonance structure that would not be found in molecule B. Hint: Draw out the NO2 group. conjugate base of molecule C pKa- 29.5 molecule B NO2 pka= 8.6 molecule C 5. Below is the molecule Abilify, which is a top selling drug that is used to treat schizophrenia, bipolar disorder and...
3) Draw the products of each reaction shown below. Circle which side of the equilibrium (left or right) is favored based on your knowledge of Kos. and boo * 9. roho 4) The phenols shown below have approximate pka values of 4, 7, 9, 10, and 11. Which pk, value belongs to which phenol?
Which of the indicated
hydrogen atoms, in the molecule shown below, is the most acidic?
(i.e: has the lowest pKa)
IMG 9579.JPG Search Which of the indicated hydrogen atoms, in the molecu 3 0 2 02 4
Biochemistry
4. The ionization of p-nitrophenol is shown below (pKa = 7.0): NO2 он weak acid conjugate base a. (4 points) Identify the weak acid and conjugate base. b. (4 points)At pH 7, what are the relative concentrations of ionized and un-ionized p- nitrophenol? c. (4 points)If enough concentrated hydrochloric acid is added to a solution of p-nitrophenol to lower the pH from 7 to 5, what will happen to the relative concentrations of the ionized and un-ionized forms? d....
Integrated Problems #12 Common aspirin is acetylsalicylic acid, which has the structure shown below and a pKa of 3.5. The acidic hydrogen is indicated with the star. H 30: ö-H ö-C-C-H :0: H 1) What is the shape and hybridization around the carbon 1, carbon 2. oxygen 3. 2) What is the bond angle at 1, 2, 3? 3) What types of intermolecular interactions is this molecule capable? 4) Is acetylsalicylic acid a strong or weak acid? 5) Write a...
please help in all sections asap!!
Which of the molecules below is the expected major product of the following reduction? H3C- CH3 Lindlar's catalyst HH Х НАС CH₃ HiC CH₂ We were unable to transcribe this imagePRINT Choose the correct reagents listed in the table below. 1)NBS, heat 2)NaOEt b AICI Na, CH3OH Hz, Lindlar's catalyst NH3 Conc. H2SO4 H2O+ 03. МСРВА DMS Enter the correct letter for each step of the reaction in the boxes below. (Reagents cannot be...
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