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16. When compound 16 reacts with the two bases in this table, which hydrogens are removed...
please answer the following 15. Consider the MAJOR product outcomes when 8 reacts with Nal vs....
please answer the following
15. Consider the MAJOR product outcomes when 8 reacts with Nal vs. NaOH. Select the correct outcomes from the table. (Hint 1: for both Sn2 and E2 leaving group must be axial; for E2, the B-hydrogen must be 180° away from leaving group). (Hint 2: For 2 RX substrates, products depend on conjugate acid; i.e.strong acids have weak conj. bases compare to problem #20, 21). 8+ Nal yields products with --- ? 8 + NaOH yields...
5. Compound C is insoluble in water and is soluble in 5M HCl solution. Identify the...
5. Compound C is insoluble in water and is soluble in 5M HCl solution. Identify the structure of C from the following options. i) Aniline ii) Benzoic acid iii) Phenol iv) Toluene 6. Compound D is insoluble in water/ 5M HCI / 5M NaOH / 5MNaHCO3 solutions. It forms a silver mirror when treated with Ammonical silver nitrate solution (Tollen's reagent). Identify the functional group in D. i) An alkyne ii) Phenol iii) An alkene iv) An aldehyde 7. Compound...
20. Which of the following bases gives the highest anti-Zaitsev product when it reacts with 2-...
20. Which of the following bases gives the highest anti-Zaitsev product when it reacts with 2- bromo-2,3-dimethylbutane in an E2 reaction? i oo od blupil CH3 ose odod o bluow bo bapd ad Cнзсо CHзCное ade ow (a CH3 D) CH3 ini na (A) CH300 B) CHЗCH200 C) 0 Lend d
C) pH less than 7 D) neutralizes bases E all of the above 9. Which of...
C) pH less than 7 D) neutralizes bases E all of the above 9. Which of the following is an example of an Arrhenius base? A) NaOH(aq) B) Ca(OH)2(aq) C) Al(OH)3(s) CadToH all of the above E) none of the above
Which of the circled hydrogens is the mozi acidic? A B C D E Name the...
Which of the circled hydrogens is the mozi acidic? A B C D E Name the following compound. (R)1 -cyclopentyl-5 -ethoxy-7-methyl-4-octyne (S)-7-cyclopentyl-6-ethoxy-2 -methyl-4-heptyne (R)-7-cyclopentyl-6-ethoxy-2-methyl-4-heptyne (S)-1 -cyclopentyi-3 -ethoxy-7-methyl-4-octyne (S)-1-cyclopentyl-2-ethoxy-6-methyl-3-heptyne (R_)1-cyclopentyl-2-ethoxy-6-methyl-3-heptyne None of the above are correct Determine the product. A B C D None of the above are correct
Question 8 For the polyprotic acid histidine (HisH3), the hydrogens in bold can be lost. When...
Question 8 For the polyprotic acid histidine (HisH3), the hydrogens in bold can be lost. When HisH3t is titrated w to reach the second pka? Another way of asking this is when presented with a titration curve of Hisha A. 45 ml B. 37.5 mL C. 30 mL OD. 15 mL E. 22.5 mL Question 8 121 O points Save Answer with NaOH and it takes 45.0 mL to remove all protons possible. In the titration curve, how many mL...
thanks!! There is a mistake on this, e on compound 18a is 3 hydrogens not 2!!!!...
thanks!! There is a mistake on this, e on compound 18a is 3
hydrogens not 2!!!! thanks again :)
On each the following IR spectra, circle and indicate the most important stretching signal from the following choices:N-H, O-H, CEN, CEO, C-O, Top, IR spectrum of Compound 18a: C14H1402 Bottom, IR Spectrum of Compound 18b: C3H120. write your answer on the corresponding square provided (2.5 pts each, 5 pts total) mar 2000 6 18. Draw the structures of Compound 18a. and...
For the determination of the structural formula of aromatic compound A, the 1 H-NMR spectrum was obtained, which is giv...
For the determination of the structural formula of aromatic
compound A, the 1 H-NMR spectrum was obtained, which is given
below.
Compound A was subjected to the five (5) stage experiment,
which follows. It is stated that in Stage I the yield was 45%,
while for the remaining stages the yield was 100%.
Step I: Amount of 0.02 mol of Compound A after treatment with
concentrate NaOH under the appropriate conditions, gave the organic
products B and C.
Step II:...
13. Of the di-substituted alkenes, which compound will give off the least amount of heat when...
13. Of the di-substituted alkenes, which compound will give off the least amount of heat when hydrogenated or combusted (burned)? a. C. d. e. 14. The name of the following compound is (E)-? e. not a.-d. 15. Which compound is Markonikov, syn addition of deuterated water (D2O) on the following compound? Except for stereochemistry, consider D the same as H because they are isotopes. a. b. C. d. e. not a.-d. 16. Which reagent(s) complete the following reaction? Assume the...
Which of the following concerning acid-base reactions is/are correct? Only strong acids and strong bases will...
Which of the following concerning acid-base reactions is/are correct? Only strong acids and strong bases will undergo an acid-base reaction All acid-base reactions produce water and an ionic compound (salt); product. All reactions that form a gas are also acid-base reactions. 1 only 2 only 3 only 1, 2, and 3 none
please answer the following
15. Consider the MAJOR product outcomes when 8 reacts with Nal vs. NaOH. Select the correct outcomes from the table. (Hint 1: for both Sn2 and E2 leaving group must be axial; for E2, the B-hydrogen must be 180° away from leaving group). (Hint 2: For 2 RX substrates, products depend on conjugate acid; i.e.strong acids have weak conj. bases compare to problem #20, 21). 8+ Nal yields products with --- ? 8 + NaOH yields...
5. Compound C is insoluble in water and is soluble in 5M HCl solution. Identify the structure of C from the following options. i) Aniline ii) Benzoic acid iii) Phenol iv) Toluene 6. Compound D is insoluble in water/ 5M HCI / 5M NaOH / 5MNaHCO3 solutions. It forms a silver mirror when treated with Ammonical silver nitrate solution (Tollen's reagent). Identify the functional group in D. i) An alkyne ii) Phenol iii) An alkene iv) An aldehyde 7. Compound...
20. Which of the following bases gives the highest anti-Zaitsev product when it reacts with 2- bromo-2,3-dimethylbutane in an E2 reaction? i oo od blupil CH3 ose odod o bluow bo bapd ad Cнзсо CHзCное ade ow (a CH3 D) CH3 ini na (A) CH300 B) CHЗCH200 C) 0 Lend d
C) pH less than 7 D) neutralizes bases E all of the above 9. Which of the following is an example of an Arrhenius base? A) NaOH(aq) B) Ca(OH)2(aq) C) Al(OH)3(s) CadToH all of the above E) none of the above
Which of the circled hydrogens is the mozi acidic? A B C D E Name the following compound. (R)1 -cyclopentyl-5 -ethoxy-7-methyl-4-octyne (S)-7-cyclopentyl-6-ethoxy-2 -methyl-4-heptyne (R)-7-cyclopentyl-6-ethoxy-2-methyl-4-heptyne (S)-1 -cyclopentyi-3 -ethoxy-7-methyl-4-octyne (S)-1-cyclopentyl-2-ethoxy-6-methyl-3-heptyne (R_)1-cyclopentyl-2-ethoxy-6-methyl-3-heptyne None of the above are correct Determine the product. A B C D None of the above are correct
Question 8 For the polyprotic acid histidine (HisH3), the hydrogens in bold can be lost. When HisH3t is titrated w to reach the second pka? Another way of asking this is when presented with a titration curve of Hisha A. 45 ml B. 37.5 mL C. 30 mL OD. 15 mL E. 22.5 mL Question 8 121 O points Save Answer with NaOH and it takes 45.0 mL to remove all protons possible. In the titration curve, how many mL...
thanks!! There is a mistake on this, e on compound 18a is 3
hydrogens not 2!!!! thanks again :)
On each the following IR spectra, circle and indicate the most important stretching signal from the following choices:N-H, O-H, CEN, CEO, C-O, Top, IR spectrum of Compound 18a: C14H1402 Bottom, IR Spectrum of Compound 18b: C3H120. write your answer on the corresponding square provided (2.5 pts each, 5 pts total) mar 2000 6 18. Draw the structures of Compound 18a. and...
For the determination of the structural formula of aromatic
compound A, the 1 H-NMR spectrum was obtained, which is given
below.
Compound A was subjected to the five (5) stage experiment,
which follows. It is stated that in Stage I the yield was 45%,
while for the remaining stages the yield was 100%.
Step I: Amount of 0.02 mol of Compound A after treatment with
concentrate NaOH under the appropriate conditions, gave the organic
products B and C.
Step II:...
13. Of the di-substituted alkenes, which compound will give off the least amount of heat when hydrogenated or combusted (burned)? a. C. d. e. 14. The name of the following compound is (E)-? e. not a.-d. 15. Which compound is Markonikov, syn addition of deuterated water (D2O) on the following compound? Except for stereochemistry, consider D the same as H because they are isotopes. a. b. C. d. e. not a.-d. 16. Which reagent(s) complete the following reaction? Assume the...
Which of the following concerning acid-base reactions is/are correct? Only strong acids and strong bases will undergo an acid-base reaction All acid-base reactions produce water and an ionic compound (salt); product. All reactions that form a gas are also acid-base reactions. 1 only 2 only 3 only 1, 2, and 3 none
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