Homework Answers
2) Answer is d) 4.
All are correct because after abstracting proton, resultant species become positively charged, more Electrophilic, more reactive and acid act as catalyst.
3) Answer is a) 1 and 3.
Because these step occur only when oxygen carry positive charge.
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organic chemistry
2. (1 point) How many of the following statements are true: When nucleophilic addition...
NAME! Select the best answer and bubble it in on your blue scantron. 1. Where would...
NAME! Select the best answer and bubble it in on your blue scantron. 1. Where would be the absorption peak of a carbonyl, C-0, stretching in IR? a) around 3300 cm b) around 2980 cm" c) around 1700 cm d) around 1200 cm 2. What is the Grignard reagent in nucleophilic addition reaction considered? a) b) 0 c) H d) all the above 3. What a cynaohydrin contains? a) CN and NH. b) N, and OH. c) CN and OH....
WMK Mechanism Project You are expected to provide a mechanism from beginning to end with a...
WMK Mechanism Project You are expected to provide a mechanism from beginning to end with a detailed explanation of type of chemical reaction, mechanism, and labeling relevant reagent classes. Use the reaction steps to guide your mechanistic detail; note not all reagents, catalysts, and solvents are shown. For each mechanistic step, a. Label the Nucleophile/Base/Electrophile/Acid (if possible) b. Label each step according the mechanism: A. acid/base, B. bimolecular nucleophilic substitution, C. heterolysis, D. coordination, E. bimolecular elimination, F. electrophilic elimination,...
1: Which statement is not true? 2 3 All Bronsted-Lowry acids are Arrhenius acids 5 6...
1: Which statement is not true? 2 3 All Bronsted-Lowry acids are Arrhenius acids 5 6 All of the above statements are true All Arrhenius bases are Bronsted-Lowry bases 8 9 All Bronsted Lowry bases are Arrhenius bases All Arrhenius acids are Bronsted-Lowry acids. 11 12 15 Question 13 (1 point) For phosphoric acid, H,PO, the Kais = TH,PO.TH/ [H3PO4 1H.PO
Condensation Reactions Homework (Chapter 19) NAME 1. Explain why aldehyde A is more reactive to nucleophilic...
Condensation Reactions Homework (Chapter 19) NAME 1. Explain why aldehyde A is more reactive to nucleophilic addition reactions than ketone B. 2. Give the curved arrow mechanism for each aldol reaction. est NaOH, H, heat NaOH, H, heat 3. Give the major organic aldol product for each reaction, along with the dehydration produs possible) formed after heating. NaOH H,0 heat NaOH heat HO heat NaOH HO
5) 5) How many singlets will the IH NMR spectrum of 2-bromo-3-methyl-2-butene exhibit? A) 1 B)...
5) 5) How many singlets will the IH NMR spectrum of 2-bromo-3-methyl-2-butene exhibit? A) 1 B) 2 C) 3 D) 4 E) 5 6) How many signals does the 1 H NMR spectrum of 4-methyl-1-propylbenzene have? A) 4 B) 5 C) 6 D) 7 E) 8 7) 7) What is the main intramolecular force between two molecules of propanoic acid? A) London dispersion forces B) hydrogen bonding dipole-dipole interaction D) induced dipole interactions E) none of the above 8) The...
10) 10) When the carbonyl group of a ketone is protonated A) the resulting species is...
10) 10) When the carbonyl group of a ketone is protonated A) the resulting species is activated toward nucleophilic addition B) the resulting species becomes more electrophilic subsequent nucleophilic addition on the resulting species is said to occur under acid-catalyzed conditions D) the resulting species has a positive charge. E) all of the above 11) What purpose does FeCl3 serve when benzene undergoes an electrophilic aromatic substitution reaction with chlorine? A) It serves as a Lewis base catalyst by reacting...
Read the experiment and answer the following questions as directed by your instructor. 1. Write the...
Read the experiment and answer the following questions as directed by your instructor. 1. Write the equilibrium reaction and the equilibrium expression for the dissociation of acetic acid in water reaction: equilibrium expression: K. = 2. Identify the Bronsted-Lowry acid and the conjugate base in the reaction from #1. Explain what the difference is between these two species. 3. Draw the Lewis structure of acetic acid, and label the hydrogen atom that is removed during the equilibrium dissociation. 4. If,...
1. What is the nucleophile in the following S2 reaction and what is the leaving group Br + NaCN 2. What are produc...
1. What is the nucleophile in the following S2 reaction and what is the leaving group Br + NaCN 2. What are products of the following sequences of elementary steps? ci 1. Proton transfer involving NaOH 2. Nucleophile elimination 3. Nucleophilic addition of CH,MgBr 4. Sy2 involving CH Br (c) 1. Electrophilic addition of C 2. Electrophile elimination of HC (b) 1. E2 involving NaOCH, 2. Electrophilic addition involving H 3. Coordination involving H20 4. Proton transfer involving H2O OH...
Please Hurry up ?? CHOOSE THE CORRECT ANSWER Q1] Organic chemistry study (a) Properties of organic...
Please Hurry up ??
CHOOSE THE CORRECT ANSWER Q1] Organic chemistry study (a) Properties of organic compounds (b) Reactions of organic compounds (c) syntheses of organic compounds (d) all above Q2] Tertiary Carbon is (a) carbon atom contact with four carbon atoms (b) carbon atom contact with two carbon atoms (c) carbon atom contact with three carbon atoms (d) carbon atom contact with one carbon atom Q3] One of these compounds contain quaternary carbon atom (a) 2,3-dimethylpentane (b) 3-methylhexane (c)...
1. What is the nucleophile in the following S2 reaction and what is the leaving group?...
1. What is the nucleophile in the following S2 reaction and what is the leaving group? + NaCN 2. What are products of the following sequences of elementary steps? 1. Proton transfer involving NaOH 2. Nucleophile elimination 3. Nucleophilic addition of CH Mgr 4. Sy2 involving CH Br 1. Electrophilic addition of Ci 2. Electrophile elimination of H3C (b) (c) 1. E2 involving NaOCH, 2. Electrophilic addition involving H™ 3. Coordination involving H2O 4. Proton transfer involving H 0 осн,...
NAME! Select the best answer and bubble it in on your blue scantron. 1. Where would be the absorption peak of a carbonyl, C-0, stretching in IR? a) around 3300 cm b) around 2980 cm" c) around 1700 cm d) around 1200 cm 2. What is the Grignard reagent in nucleophilic addition reaction considered? a) b) 0 c) H d) all the above 3. What a cynaohydrin contains? a) CN and NH. b) N, and OH. c) CN and OH....
WMK Mechanism Project You are expected to provide a mechanism from beginning to end with a detailed explanation of type of chemical reaction, mechanism, and labeling relevant reagent classes. Use the reaction steps to guide your mechanistic detail; note not all reagents, catalysts, and solvents are shown. For each mechanistic step, a. Label the Nucleophile/Base/Electrophile/Acid (if possible) b. Label each step according the mechanism: A. acid/base, B. bimolecular nucleophilic substitution, C. heterolysis, D. coordination, E. bimolecular elimination, F. electrophilic elimination,...
1: Which statement is not true? 2 3 All Bronsted-Lowry acids are Arrhenius acids 5 6 All of the above statements are true All Arrhenius bases are Bronsted-Lowry bases 8 9 All Bronsted Lowry bases are Arrhenius bases All Arrhenius acids are Bronsted-Lowry acids. 11 12 15 Question 13 (1 point) For phosphoric acid, H,PO, the Kais = TH,PO.TH/ [H3PO4 1H.PO
Condensation Reactions Homework (Chapter 19) NAME 1. Explain why aldehyde A is more reactive to nucleophilic addition reactions than ketone B. 2. Give the curved arrow mechanism for each aldol reaction. est NaOH, H, heat NaOH, H, heat 3. Give the major organic aldol product for each reaction, along with the dehydration produs possible) formed after heating. NaOH H,0 heat NaOH heat HO heat NaOH HO
5) 5) How many singlets will the IH NMR spectrum of 2-bromo-3-methyl-2-butene exhibit? A) 1 B) 2 C) 3 D) 4 E) 5 6) How many signals does the 1 H NMR spectrum of 4-methyl-1-propylbenzene have? A) 4 B) 5 C) 6 D) 7 E) 8 7) 7) What is the main intramolecular force between two molecules of propanoic acid? A) London dispersion forces B) hydrogen bonding dipole-dipole interaction D) induced dipole interactions E) none of the above 8) The...
10) 10) When the carbonyl group of a ketone is protonated A) the resulting species is activated toward nucleophilic addition B) the resulting species becomes more electrophilic subsequent nucleophilic addition on the resulting species is said to occur under acid-catalyzed conditions D) the resulting species has a positive charge. E) all of the above 11) What purpose does FeCl3 serve when benzene undergoes an electrophilic aromatic substitution reaction with chlorine? A) It serves as a Lewis base catalyst by reacting...
Read the experiment and answer the following questions as directed by your instructor. 1. Write the equilibrium reaction and the equilibrium expression for the dissociation of acetic acid in water reaction: equilibrium expression: K. = 2. Identify the Bronsted-Lowry acid and the conjugate base in the reaction from #1. Explain what the difference is between these two species. 3. Draw the Lewis structure of acetic acid, and label the hydrogen atom that is removed during the equilibrium dissociation. 4. If,...
1. What is the nucleophile in the following S2 reaction and what is the leaving group Br + NaCN 2. What are products of the following sequences of elementary steps? ci 1. Proton transfer involving NaOH 2. Nucleophile elimination 3. Nucleophilic addition of CH,MgBr 4. Sy2 involving CH Br (c) 1. Electrophilic addition of C 2. Electrophile elimination of HC (b) 1. E2 involving NaOCH, 2. Electrophilic addition involving H 3. Coordination involving H20 4. Proton transfer involving H2O OH...
Please Hurry up ??
CHOOSE THE CORRECT ANSWER Q1] Organic chemistry study (a) Properties of organic compounds (b) Reactions of organic compounds (c) syntheses of organic compounds (d) all above Q2] Tertiary Carbon is (a) carbon atom contact with four carbon atoms (b) carbon atom contact with two carbon atoms (c) carbon atom contact with three carbon atoms (d) carbon atom contact with one carbon atom Q3] One of these compounds contain quaternary carbon atom (a) 2,3-dimethylpentane (b) 3-methylhexane (c)...
1. What is the nucleophile in the following S2 reaction and what is the leaving group? + NaCN 2. What are products of the following sequences of elementary steps? 1. Proton transfer involving NaOH 2. Nucleophile elimination 3. Nucleophilic addition of CH Mgr 4. Sy2 involving CH Br 1. Electrophilic addition of Ci 2. Electrophile elimination of H3C (b) (c) 1. E2 involving NaOCH, 2. Electrophilic addition involving H™ 3. Coordination involving H2O 4. Proton transfer involving H 0 осн,...
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