Easy ochem help please, both questions
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Easy ochem help please, both questions
1. Which are the most acidic protons? A. B. H...
really lost! please help ... Select the order that has the following labeled protons correctl arranged...
really lost!
please help ...
Select the order that has the following labeled protons correctl arranged with respect to increasing acidity. Enter Your Answer: A OB OC OD OE OF Which of the following compounds is the most acidic? Enter Your Answer: A OB OC OD OE Select the major products of the following reaction. A 1and2 B 2only C 1and3 D 2and4 E 3and4 F al of them Enter Your Answer: A OB OC OD OE OF Choose the...
can you please help for these three questions please? thank you! 18. Which will be the...
can you please help for these three questions please? thank
you!
18. Which will be the major product of the following E2 reaction? NaOH Br CH3 H3C H a) b) c) Нас d) H3C CH3 H3 H3C 3 20. Which would not be a good method to prepare compound A? O A 1. BH3 OH РСС b) 2. H202, OH 1, H+, H2O 2. РСС H2SO4, H20 O 28. How many different protons (including the H of the OH) are...
Please help...and explain.. Rank the acidity of the protons shown in the picture (from most acidic...
Please help...and explain..
Rank the acidity of the protons shown in the picture (from most acidic to least) I > II > III = IV IV > I = II > III IV > I > II > II I > II > IV > III What accounts for the difference between the acidity of proton (IV) and protons (I and II)? (may be more than one answer) Feature 1: energy and entropy stabilization Feature 2: energy and entropy stabilization...
Given the following compound: O b a С HO ОН d • List ALL the acidic...
Given the following compound: O b a С HO ОН d • List ALL the acidic protons with pka values less than 25 in the space provide. there isn't any, then write NONE. DO NOT put any space in between letters ex. abc acidic protons = • Which labeled proton is the most acidic? Just write the letter in the space provided, ex. a most acidic proton = Predict the products Br LDA; 1 LDA: CH Br 2 PRODUCT BANK...
Please help with these practices. Which undergoes the fastest electrophilic substitution with Br2 or AlBr3? Which...
Please help with these practices. Which undergoes the fastest
electrophilic substitution with Br2 or AlBr3?
Which substrate undergoes the most rapid electrophilic
substitution with HNO3/H2SO4?
Which reaction sequence results in this?
What is the major product for the reaction?
CH3 Оснз осна осна Br Б) с) d) NO2 осна осна OCH2CH3 OCH2CH3 H2C a) b) c) d) CH3 SO3H NO2 SO3H OCH3 Br OCH3 CI a) SO3 H2SO4 HNO3 H2SO4 Pd(OAC)2 AICI: (HO)2B OCH3 Br2 b) HNO3 H2SO4 SO3 H2SO4...
**ochem help please Final Exam Questions, Experiment 5 A multistep synthesis of aniline from toluene is...
**ochem help please
Final Exam Questions, Experiment 5 A multistep synthesis of aniline from toluene is shown below, with reagents missing. Use it to answer the following questions. 1) Which reagents would you use to perform reaction A? a) KMnO b) N-bromosuccinimide, UV light. c) NaOH. d) OsO.. 2) Which reagents would you use to perform reaction B? a) PBr. b) p-toluenesulfonyl chloride. c) SOCI2. d) NaOCl, NaOH. 3) Which reagents would you use to perform reaction D? a) NaN3,...
please help in all questions!! Which of the molecules below is the expected major product of...
please help in all questions!!
Which of the molecules below is the expected major product of the following reduction? Na, NH3) Н H Н нн H H For the given compounds answer the following. Compound A Compound B Compound C Identify which compound is expected to be most acidic. Compound A Compound B Compound C Choose the correct option to justify your choice. ODeprotonation of the compound generates an antiaromatic lon. Deprotonation of the compound generates an aromatic ion. Deprotonation...
please help in answering all of the questions 15. Which is a propagation step in the...
please help in answering all of the questions
15. Which is a propagation step in the peride-initiated hydrobromination of 1 butene? (A) CH,CH:CH-CH, HBr -- CH,CH.CH,CH,Br (B) CH.CH.CH-CH,+Br - CH CH.CHCH,Br (C) CH.CH,CH,CH*+ Br-CH,CH,CH.CH, Br (D) ROOR + CH,CH,CH=CH, - RO + KOH + CHỊCH,CH,CH, 35. Indicate which C-H bond has the lowest bond dissociation enthalpy (energy)? (A) H-CH(CH), (B) H-CH (C) H-C(CH,), (D) H-CH,CH, 37 d. Predict the major product for this reaction (A) (B) BE BE (C) Br...
Only need help with 12,13,14 14. Which of the following is true of intramolecular 0. Which...
Only need help with 12,13,14
14. Which of the following is true of intramolecular 0. Which skeletal structure corresponds to the proton transfers? A. They are not likely to occur B. They can occur only in basic conditions. C. They can occur only in acidic conditions. D. They are the most common way in which Fischer projection shown? protons are transferred онон 15. Which reaction conditions would be best suited A. O to form the major product shown? он H...
could you please help me with these questions. thank you so much 20. Which reagent would best serve as the basis for a simple chemical test to distinguish between 0 0 CH3CH2CC2C3 and CH3CH2CH2CC...
could you please help me with these questions. thank you so much
20. Which reagent would best serve as the basis for a simple chemical test to distinguish between 0 0 CH3CH2CC2C3 and CH3CH2CH2CCH3 a. NaOI (I in NaOH) b. Br CCL c. CrO,/H SO d. NaHCO,/H20 21. Which proton in the following molecule is the most acidic? A) 1 B) 2 C) 3 D) 4 E) 5 22. What product is formed in the aldol reaction of propanal? a....
really lost!
please help ...
Select the order that has the following labeled protons correctl arranged with respect to increasing acidity. Enter Your Answer: A OB OC OD OE OF Which of the following compounds is the most acidic? Enter Your Answer: A OB OC OD OE Select the major products of the following reaction. A 1and2 B 2only C 1and3 D 2and4 E 3and4 F al of them Enter Your Answer: A OB OC OD OE OF Choose the...
can you please help for these three questions please? thank
you!
18. Which will be the major product of the following E2 reaction? NaOH Br CH3 H3C H a) b) c) Нас d) H3C CH3 H3 H3C 3 20. Which would not be a good method to prepare compound A? O A 1. BH3 OH РСС b) 2. H202, OH 1, H+, H2O 2. РСС H2SO4, H20 O 28. How many different protons (including the H of the OH) are...
Please help...and explain..
Rank the acidity of the protons shown in the picture (from most acidic to least) I > II > III = IV IV > I = II > III IV > I > II > II I > II > IV > III What accounts for the difference between the acidity of proton (IV) and protons (I and II)? (may be more than one answer) Feature 1: energy and entropy stabilization Feature 2: energy and entropy stabilization...
Given the following compound: O b a С HO ОН d • List ALL the acidic protons with pka values less than 25 in the space provide. there isn't any, then write NONE. DO NOT put any space in between letters ex. abc acidic protons = • Which labeled proton is the most acidic? Just write the letter in the space provided, ex. a most acidic proton = Predict the products Br LDA; 1 LDA: CH Br 2 PRODUCT BANK...
Please help with these practices. Which undergoes the fastest
electrophilic substitution with Br2 or AlBr3?
Which substrate undergoes the most rapid electrophilic
substitution with HNO3/H2SO4?
Which reaction sequence results in this?
What is the major product for the reaction?
CH3 Оснз осна осна Br Б) с) d) NO2 осна осна OCH2CH3 OCH2CH3 H2C a) b) c) d) CH3 SO3H NO2 SO3H OCH3 Br OCH3 CI a) SO3 H2SO4 HNO3 H2SO4 Pd(OAC)2 AICI: (HO)2B OCH3 Br2 b) HNO3 H2SO4 SO3 H2SO4...
**ochem help please
Final Exam Questions, Experiment 5 A multistep synthesis of aniline from toluene is shown below, with reagents missing. Use it to answer the following questions. 1) Which reagents would you use to perform reaction A? a) KMnO b) N-bromosuccinimide, UV light. c) NaOH. d) OsO.. 2) Which reagents would you use to perform reaction B? a) PBr. b) p-toluenesulfonyl chloride. c) SOCI2. d) NaOCl, NaOH. 3) Which reagents would you use to perform reaction D? a) NaN3,...
please help in all questions!!
Which of the molecules below is the expected major product of the following reduction? Na, NH3) Н H Н нн H H For the given compounds answer the following. Compound A Compound B Compound C Identify which compound is expected to be most acidic. Compound A Compound B Compound C Choose the correct option to justify your choice. ODeprotonation of the compound generates an antiaromatic lon. Deprotonation of the compound generates an aromatic ion. Deprotonation...
please help in answering all of the questions
15. Which is a propagation step in the peride-initiated hydrobromination of 1 butene? (A) CH,CH:CH-CH, HBr -- CH,CH.CH,CH,Br (B) CH.CH.CH-CH,+Br - CH CH.CHCH,Br (C) CH.CH,CH,CH*+ Br-CH,CH,CH.CH, Br (D) ROOR + CH,CH,CH=CH, - RO + KOH + CHỊCH,CH,CH, 35. Indicate which C-H bond has the lowest bond dissociation enthalpy (energy)? (A) H-CH(CH), (B) H-CH (C) H-C(CH,), (D) H-CH,CH, 37 d. Predict the major product for this reaction (A) (B) BE BE (C) Br...
Only need help with 12,13,14
14. Which of the following is true of intramolecular 0. Which skeletal structure corresponds to the proton transfers? A. They are not likely to occur B. They can occur only in basic conditions. C. They can occur only in acidic conditions. D. They are the most common way in which Fischer projection shown? protons are transferred онон 15. Which reaction conditions would be best suited A. O to form the major product shown? он H...
could you please help me with these questions. thank you so much
20. Which reagent would best serve as the basis for a simple chemical test to distinguish between 0 0 CH3CH2CC2C3 and CH3CH2CH2CCH3 a. NaOI (I in NaOH) b. Br CCL c. CrO,/H SO d. NaHCO,/H20 21. Which proton in the following molecule is the most acidic? A) 1 B) 2 C) 3 D) 4 E) 5 22. What product is formed in the aldol reaction of propanal? a....
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