Why does triphenylmethane fail to undergo a reaction when treated with an acid or base (mention...
Homework Answers
Solution:
Triphenylmethane is a weak acid. Its pka is 31.5 at 25 °C. Its reactivity towards acid or base is minimized due to presence of three phenyl groups attached with carbon of CH group. In acidic or basic solution, the pka of triphenylmethane is not much affected. This is due to the -I effect and steric effects of three phenyl groups.
Add Answer to:
Why
does triphenylmethane fail to undergo a reaction when treated with
an acid or base (mention...
Why does the neutral compound, triphenylmethane, in this experiment fail to undergo reaction when treated with...
Why does the neutral compound, triphenylmethane, in this
experiment fail to undergo reaction when treated with acid or base
(consider the pKa of the neutral compound and acid/base
equilibrium)?
29 Exp. No. Experiment/Subject Date Name Lab Partner Locker/ Desk No. Course & Section No. 1.5 9 of 1.17 Mix HA - AC Procedure Benzoic Alld (HA) B = base Ethyl-4-Aminobenzoate (B) N=neutral Tripheriyume thone (N) I 15 ML methylene chloride THA + B + N (organic layer) 16.15 mL 1...
Why does butan-2-ol not undergo dehydration when treated with sodium hydroxide but form but-2-new when treated...
Why
does butan-2-ol not undergo dehydration when treated with sodium
hydroxide but form but-2-new when treated with hot sulfuric acid?
Illustrate your answer with a mechanism
CH (6 points) Why does butan-2-ol not undergo dehydration when treated with sodium hydroxide, but form but-2-ene when treated with hot sulfuric acid ?Illustrate your answer with a mechanism. H2S04 (aq) OH heat 食 | 3 |14 Reflect in ePortfolio Download Activity Details ed this topic MacBbok Pro
What happens when an acid is treated with a base (and vice versa)? How does an acid- base reaction influence the solubil...
What happens when an acid is treated with a base (and vice versa)? How does an acid- base reaction influence the solubility of each component in solution to allow for separation?
(References] Indicate whether the compounds below undergo racemization when treated with aqueous acid or base. o...
(References] Indicate whether the compounds below undergo racemization when treated with aqueous acid or base. o HEC H CH3 C CH2CH3 yes no H2C H3C H3C Submit Answer Try Another Version 1 item attempt remaining
Carboxylic acid esters can undergo acid catalyzed hydrolysis, neutral hydrolysis and base catalyzed hydrolysis. Below is...
Carboxylic acid esters can undergo acid catalyzed hydrolysis, neutral hydrolysis and base catalyzed hydrolysis. Below is a table with three structurally related carboxylic acid esters and the second order reaction rate constants for the acid-catalyzed mechanism (k_A) and the rate constant for the base-catalyzed mechanism (k_B). The difference between the three compounds is mainly the substitution of hydrogen atoms on R_1 with the more electronegative chlorine atoms. a) Explain why there is only a small change in k_A for the...
Compared to the carboxylic acid the corresponding acid chloride: cannot undergo the same acid-base reaction as...
Compared to the carboxylic acid the corresponding acid
chloride:
cannot undergo the same acid-base reaction as discussed in
Question 1 when reacting with amines.
is a more reactive species
is greater in molecular weight.
will react with water.
Would the following compound be expected to undergo a rapid E2 elimination when treated with NaOMe?...
Would the following compound be expected to undergo a rapid E2 elimination when treated with NaOMe? Why or why not?
Please Explain: 7) a. Why does an acid and its conjugate base have the same pKa...
Please Explain: 7) a. Why does an acid and its conjugate base have the same pKa and Ka values? b. Why does a base and its conjugate acid have the same pKa and Ka values? Thank You! <3
2. For the following acid/base reaction, predict the product(s) and determine the position of the equilibrium. Use ARIO to support your answer. 3. When (1R,2R)-2-bromocyclohexanol is treated with a s...
2. For the following acid/base reaction, predict the product(s) and determine the position of the equilibrium. Use ARIO to support your answer. 3. When (1R,2R)-2-bromocyclohexanol is treated with a strong base, an epoxide is formed. Provide a structure for (1R,2R)-2-bromocyclohexanol and a mechanism for the formation of the epoxide
2. For the following acid/base reaction, predict the product(s) and determine the position of the equilibrium. Use ARIO to support your answer. 3. When (1R,2R)-2-bromocyclohexanol is treated with a strong base,...
3. a) For the following reaction, label the acid and the base. Then draw the structures...
3. a) For the following reaction, label the acid and the base. Then draw the structures of the conjugate acid and base. н ............ conjugate acid conjugate base b) Clearly show the movement of electrons (arrow-pushing mechanism) for the reaction. c) Write the pka values under the acid and conjugate acid. Draw your equilibrium arrow to favor the direction toward the weaker acid (think about what the pka value tells you about acidity).
Why does the neutral compound, triphenylmethane, in this
experiment fail to undergo reaction when treated with acid or base
(consider the pKa of the neutral compound and acid/base
equilibrium)?
29 Exp. No. Experiment/Subject Date Name Lab Partner Locker/ Desk No. Course & Section No. 1.5 9 of 1.17 Mix HA - AC Procedure Benzoic Alld (HA) B = base Ethyl-4-Aminobenzoate (B) N=neutral Tripheriyume thone (N) I 15 ML methylene chloride THA + B + N (organic layer) 16.15 mL 1...
Why
does butan-2-ol not undergo dehydration when treated with sodium
hydroxide but form but-2-new when treated with hot sulfuric acid?
Illustrate your answer with a mechanism
CH (6 points) Why does butan-2-ol not undergo dehydration when treated with sodium hydroxide, but form but-2-ene when treated with hot sulfuric acid ?Illustrate your answer with a mechanism. H2S04 (aq) OH heat 食 | 3 |14 Reflect in ePortfolio Download Activity Details ed this topic MacBbok Pro
(References] Indicate whether the compounds below undergo racemization when treated with aqueous acid or base. o HEC H CH3 C CH2CH3 yes no H2C H3C H3C Submit Answer Try Another Version 1 item attempt remaining
Carboxylic acid esters can undergo acid catalyzed hydrolysis, neutral hydrolysis and base catalyzed hydrolysis. Below is a table with three structurally related carboxylic acid esters and the second order reaction rate constants for the acid-catalyzed mechanism (k_A) and the rate constant for the base-catalyzed mechanism (k_B). The difference between the three compounds is mainly the substitution of hydrogen atoms on R_1 with the more electronegative chlorine atoms. a) Explain why there is only a small change in k_A for the...
Compared to the carboxylic acid the corresponding acid
chloride:
cannot undergo the same acid-base reaction as discussed in
Question 1 when reacting with amines.
is a more reactive species
is greater in molecular weight.
will react with water.
Would the following compound be expected to undergo a rapid E2 elimination when treated with NaOMe? Why or why not?
2. For the following acid/base reaction, predict the product(s) and determine the position of the equilibrium. Use ARIO to support your answer. 3. When (1R,2R)-2-bromocyclohexanol is treated with a strong base, an epoxide is formed. Provide a structure for (1R,2R)-2-bromocyclohexanol and a mechanism for the formation of the epoxide
2. For the following acid/base reaction, predict the product(s) and determine the position of the equilibrium. Use ARIO to support your answer. 3. When (1R,2R)-2-bromocyclohexanol is treated with a strong base,...
3. a) For the following reaction, label the acid and the base. Then draw the structures of the conjugate acid and base. н ............ conjugate acid conjugate base b) Clearly show the movement of electrons (arrow-pushing mechanism) for the reaction. c) Write the pka values under the acid and conjugate acid. Draw your equilibrium arrow to favor the direction toward the weaker acid (think about what the pka value tells you about acidity).
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