Homework Answers
The bast nucleophile is: HO-
Explanation: HO- is a strong nucleophile due to more electronegativity of oxygen atom.
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Which of the following is considered the best nucleophile? HO HO HS all are the same
3. What product is formed when 1-bromopropane reacts with each of the following nucleophiles? он H2N...
3. What product is formed when 1-bromopropane reacts with each of the following nucleophiles? он H2N CH3S HS CHо 4. Which member of each pair is the better nucleophile? Which is the better leaving group? Best nucleophile? Best leaving group Н:О or HO NH3 or H2O H2O or H2S HO or HS or Br Cl or Br
Question 17 Which of the following is not considered a "common" nucleophile? Nitrogen Oxygen Sulfur Carbon Hydrog...
Question 17 Which of the following is not considered a "common" nucleophile? Nitrogen Oxygen Sulfur Carbon Hydrogen
Which of the following would be the best nucleophile in a protic solvent? A. Methanol B....
Which of the following would be the best nucleophile in a protic solvent? A. Methanol B. Phenolate ion C. Methoxide ion D. acetate ion E. Methylamine
For each step of the mechanism: Identify the best nucleophile Identify the electron source and electron...
For each step of the mechanism:
Identify the best nucleophile
Identify the electron source and electron
sink
H HzO +叉 HO
16) Which of the following species would best be considered an electrolyte in water? a) H20...
16) Which of the following species would best be considered an electrolyte in water? a) H20 b) Sucrose (table sugar), C12H22011 c) Li2SO4 d) PbSO4 e) All of the above
Consider the following mechanism: H2S <--> H+ + HS- (fast equilibrium) Cl2 + HS --> 2Cl- + H+ + S (slow) An intermediate is And the best rate law is
Consider the following mechanism: H2S <--> H+ + HS- (fast equilibrium) Cl2 + HS --> 2Cl- + H+ + S (slow) An intermediate is And the best rate law is
Which of the following best describes qualified dividends? Dividend distributions that are considered a return of...
Which of the following best describes qualified dividends? Dividend distributions that are considered a return of capital. Ordinary dividends that are subject to the same maximum tax rate that applies to net capital gain. Dividends that may be used to purchase additional shares in a corporation. Dividends that are distributed when a corporation issues an additional amount of stock, usually as a percentage of the current shares owned by the taxpayer.
strong nucleophile weak base strong bulky base strong nucleophile strong base Promote SN2/E2 weak nucleophile weak...
strong nucleophile weak base strong bulky base strong nucleophile strong base Promote SN2/E2 weak nucleophile weak base Promote SN1/E1 Promote SN2 Promote E2 CH Br HS NCT HO CHO CHÚCHO NaNO NaOH NOME Noe HOORS Conjugate acids have pka 16-18 Conjugate acids Recall, you make hydroxide have pka 11 or alkoxide ons from the corresponding alcohol or water and Nat CH,OH (MOH) HO CH,CH,OH (EXOH) | HC-Ć-o to CH tert-BUOK NOCH KOHBU NEOBU The structures above are all ways of...
5. Rank the following in decreasing nucleophile quality (1=strongest)? How many are considered strong nucleophiles? (3pts)...
5. Rank the following in decreasing nucleophile quality (1=strongest)? How many are considered strong nucleophiles? (3pts) We will no lo 6. Do you think it is both a strong nucleophile and a strong base? Why or why not? (2pts) Li
Choose the best option for the electrophile precursor to methylenecyclopentane. HO CH2CH3 2- = CH3CH2NH2 + I nucleophil...
Choose the best option for the electrophile precursor to methylenecyclopentane. HO CH2CH3 2- = CH3CH2NH2 + I nucleophile electrophile H
3. What product is formed when 1-bromopropane reacts with each of the following nucleophiles? он H2N CH3S HS CHо 4. Which member of each pair is the better nucleophile? Which is the better leaving group? Best nucleophile? Best leaving group Н:О or HO NH3 or H2O H2O or H2S HO or HS or Br Cl or Br
Question 17 Which of the following is not considered a "common" nucleophile? Nitrogen Oxygen Sulfur Carbon Hydrogen
For each step of the mechanism:
Identify the best nucleophile
Identify the electron source and electron
sink
H HzO +叉 HO
16) Which of the following species would best be considered an electrolyte in water? a) H20 b) Sucrose (table sugar), C12H22011 c) Li2SO4 d) PbSO4 e) All of the above
strong nucleophile weak base strong bulky base strong nucleophile strong base Promote SN2/E2 weak nucleophile weak base Promote SN1/E1 Promote SN2 Promote E2 CH Br HS NCT HO CHO CHÚCHO NaNO NaOH NOME Noe HOORS Conjugate acids have pka 16-18 Conjugate acids Recall, you make hydroxide have pka 11 or alkoxide ons from the corresponding alcohol or water and Nat CH,OH (MOH) HO CH,CH,OH (EXOH) | HC-Ć-o to CH tert-BUOK NOCH KOHBU NEOBU The structures above are all ways of...
5. Rank the following in decreasing nucleophile quality (1=strongest)? How many are considered strong nucleophiles? (3pts) We will no lo 6. Do you think it is both a strong nucleophile and a strong base? Why or why not? (2pts) Li
Choose the best option for the electrophile precursor to methylenecyclopentane. HO CH2CH3 2- = CH3CH2NH2 + I nucleophile electrophile H
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