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Which of the following is cyclohexane-1,4-dicarboxylic anhydride? Which of the following statemen...
Which of the following statements is NOT true about acid anhydrides? A. Acid anhydrides are more...
Which of the following statements is NOT true about acid anhydrides? A. Acid anhydrides are more reactive than esters but less reactive than acyl chlorides. B. An acid anhydride reacts with water to form an ester product. C. Acid anhydrides eliminate a carboxylate ion as a leaving group. D. An acid anhydride is considered to have a better leaving group (i.e. weaker base) than the leaving groups of esters, carboxylic acids, and amides. A B C D
Whicts b. B ?.? d. D e. All of these exeept C 14. Which of the...
Whicts b. B ?.? d. D e. All of these exeept C 14. Which of the following does not represent a similarity between nitriles and carboxylic ac a. contain 3 carbon bonds to an electronegative element b. e. d. e. all of these are characteristic of both nitriles and carboxylic acids. contain two st bonds. act as electrophiles undergo nucleophilic substitution reactions 15. Which of the following is the correct assignment of the classes of the following compounds? CH3 a....
Answer the following questions with only one answer a. Carboxylic acid derivatives cannot be hydrolyzed to...
Answer the following questions with only one answer a. Carboxylic acid derivatives cannot be hydrolyzed to produce carboxylic acids b. Lithium aluminum (tri-butoxy)hydride will convert acid chlorides to ketones c. Amides have more resonance stability than esters d. Nitriles are less basic than primary amines e. Grignard reagents contain polar covalent carbon-magnesium bonds f. Anhydrides are more reactive than esters in nucleophilic acyl substitution reactions g. Acid chlorides undergo nucleophilic acyl substitution reactions h. Nitriles have an sp hybridized Nitrogen...
QUESTION 43 less reactive)? Which of the following is the correct order of decreasing reactivity in...
QUESTION 43 less reactive)? Which of the following is the correct order of decreasing reactivity in hydrolysis reactions (more reactive a acid chlorides > anhydrides >amides b. anhydrides > acid chlorides >amides camides > acid chlorides > anhydrides d. anhydrides >amides > acid chlorides QUESTION 44 Which of the following is the correct order of decreasing leaving group ability in nucleophilic acyl substitutions (better leaving group > worse leaving group)? a. NH2"> CH30">CH b.CP>CH:0">NH2 c.c"> N12"> CH30" d. CH30">Cr">NH12" QUESTION...
Which of the following conditions will drive the equilibrium of the Fischer esterification towards ester formation?...
Which of the following conditions will drive the equilibrium of the Fischer esterification towards ester formation? addition of water removal of water as it is formed addition of an inorganic acid as a catalyst addition of alcohol both B and D Esters and amides are most easily made by nucleophilic acyl substitution reactions on: carboxylic acids carboxylates alcohols acid chlorides acid anhydrides
он он te Acetyl adenosyl phosphate A sum Table 21.1. nclature rules for carboxylic acid derivativ...
он он te Acetyl adenosyl phosphate A sum Table 21.1. nclature rules for carboxylic acid derivatives is given in able 21.1 Nomenclature of Carboxylic Acid Derivatives Functional group Structure Name ending -ic acid (-carboxylic acid) Carboxylic acid -oyl halide (-carbonyl halide) 0 Acid halide anhydride Acid anhydride -amide (-carboxamide Amide -oate (-carboxylate) Ester RT 、NH2 (NHR, NR2) -thioate (-carbothioate) Thioester -oyl phosphate 0 Acyl phosphate 3.) List the functional groups shown in table 21.1 on page 817 in order of...
True or false: a) The electron-withdrawing substituents do not impact the acidity of carboxylic acids. b)...
True or false: a) The electron-withdrawing substituents do not impact the acidity of carboxylic acids. b) Hydrolysis of nitriles is a method to synthesize carboxylic acid. c) The order of reactivity of carboxylic acid derivatives is as follow: Acyl chloride > Acid anhydride > Ester > Amide. d) SOCl2, PCl3 and PCl5 are three types of special reagents to convert carboxylic acid to acyl chloride. e) Acyl chlorides are the most reactive common acyl derivatives, and can be used to...
Draw the organic products of the following below reactions Please answer the following questions - 11...
Draw the organic products of the following below
reactions
Please answer the following questions - 11 &12
Slide 10
14. Draw the organic product of the following reactions. NaOH OH SOCl2 OH 800°C OH 11. Why do aldehydes and ketones undergo nucleophilic addition undergo nucleophilic substitution? and carboxylic acid derivatives lain the reactivity trend shown in Slide 10 (acid chlorides>anhydridessestersoamides). Relative Reactivity of Carboxylic Acid Derivatives Substitution in Synthesis Nucleophiles react more readily with unhindered carbonyl groups More electrophilic carbonyl...
Questions 12-20 are true and false! (12) Hydrolysis of nitriles is a method to synthesize carboxylic...
Questions 12-20 are true and false!
(12) Hydrolysis of nitriles is a method to synthesize carboxylic acid. (13) The order of reactivity of carboxylic acid derivatives is as follow: Acyl chloride > Acid anhydride > Ester > Amide. (14) SOCI2, PC13 and PCls are three types of special reagents to convert carboxylic acid to acyl chloride (15) Acyl chlorides are the most reactive common acyl derivatives, and can be used to synthesize anhydride, ester, and amide. (16) Acyl chloride is...
Spid deri 7. What is the order of DECREASING reactivity toward nucleophilic acyl substitution for these...
Spid deri 7. What is the order of DECREASING reactivity toward nucleophilic acyl substitution for these carboxylic acid derivatives (most reactive first)? 9. Using your knowledge of organic chemistry, what is the order from most reactive to least reactive of these esters toward a nucleophile? och la NHCH I NHCH 1 2 (a) II, IV, III, I (b) I, II, III, IV (a) 1 > 2 > 3 (b) 3 >1 > 2 (c) 2 > 3 > 1 >2...
Whicts b. B ?.? d. D e. All of these exeept C 14. Which of the following does not represent a similarity between nitriles and carboxylic ac a. contain 3 carbon bonds to an electronegative element b. e. d. e. all of these are characteristic of both nitriles and carboxylic acids. contain two st bonds. act as electrophiles undergo nucleophilic substitution reactions 15. Which of the following is the correct assignment of the classes of the following compounds? CH3 a....
Answer the following questions with only one answer a. Carboxylic acid derivatives cannot be hydrolyzed to produce carboxylic acids b. Lithium aluminum (tri-butoxy)hydride will convert acid chlorides to ketones c. Amides have more resonance stability than esters d. Nitriles are less basic than primary amines e. Grignard reagents contain polar covalent carbon-magnesium bonds f. Anhydrides are more reactive than esters in nucleophilic acyl substitution reactions g. Acid chlorides undergo nucleophilic acyl substitution reactions h. Nitriles have an sp hybridized Nitrogen...
QUESTION 43 less reactive)? Which of the following is the correct order of decreasing reactivity in hydrolysis reactions (more reactive a acid chlorides > anhydrides >amides b. anhydrides > acid chlorides >amides camides > acid chlorides > anhydrides d. anhydrides >amides > acid chlorides QUESTION 44 Which of the following is the correct order of decreasing leaving group ability in nucleophilic acyl substitutions (better leaving group > worse leaving group)? a. NH2"> CH30">CH b.CP>CH:0">NH2 c.c"> N12"> CH30" d. CH30">Cr">NH12" QUESTION...
Which of the following conditions will drive the equilibrium of the Fischer esterification towards ester formation? addition of water removal of water as it is formed addition of an inorganic acid as a catalyst addition of alcohol both B and D Esters and amides are most easily made by nucleophilic acyl substitution reactions on: carboxylic acids carboxylates alcohols acid chlorides acid anhydrides
он он te Acetyl adenosyl phosphate A sum Table 21.1. nclature rules for carboxylic acid derivatives is given in able 21.1 Nomenclature of Carboxylic Acid Derivatives Functional group Structure Name ending -ic acid (-carboxylic acid) Carboxylic acid -oyl halide (-carbonyl halide) 0 Acid halide anhydride Acid anhydride -amide (-carboxamide Amide -oate (-carboxylate) Ester RT 、NH2 (NHR, NR2) -thioate (-carbothioate) Thioester -oyl phosphate 0 Acyl phosphate 3.) List the functional groups shown in table 21.1 on page 817 in order of...
Draw the organic products of the following below
reactions
Please answer the following questions - 11 &12
Slide 10
14. Draw the organic product of the following reactions. NaOH OH SOCl2 OH 800°C OH 11. Why do aldehydes and ketones undergo nucleophilic addition undergo nucleophilic substitution? and carboxylic acid derivatives lain the reactivity trend shown in Slide 10 (acid chlorides>anhydridessestersoamides). Relative Reactivity of Carboxylic Acid Derivatives Substitution in Synthesis Nucleophiles react more readily with unhindered carbonyl groups More electrophilic carbonyl...
Questions 12-20 are true and false!
(12) Hydrolysis of nitriles is a method to synthesize carboxylic acid. (13) The order of reactivity of carboxylic acid derivatives is as follow: Acyl chloride > Acid anhydride > Ester > Amide. (14) SOCI2, PC13 and PCls are three types of special reagents to convert carboxylic acid to acyl chloride (15) Acyl chlorides are the most reactive common acyl derivatives, and can be used to synthesize anhydride, ester, and amide. (16) Acyl chloride is...
Spid deri 7. What is the order of DECREASING reactivity toward nucleophilic acyl substitution for these carboxylic acid derivatives (most reactive first)? 9. Using your knowledge of organic chemistry, what is the order from most reactive to least reactive of these esters toward a nucleophile? och la NHCH I NHCH 1 2 (a) II, IV, III, I (b) I, II, III, IV (a) 1 > 2 > 3 (b) 3 >1 > 2 (c) 2 > 3 > 1 >2...
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