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4. Which of the following are good leaving groups? (Circle all...
Sort the molecules. Strong Base (SB)= stable or unstable good or bad Leaving group Name: Weak...
Sort the molecules. Strong Base (SB)= stable or unstable good or bad Leaving group Name: Weak Base (WB) = stable or unstable good or bad leaving group Category 1 (A = large e-cloud delocalizes anion): Category 2 (R= resonance stabilized anion): Category 3 (neutral): *Circle any strong bases that are NOT good nucleophiles (why?) Weak acid (WA) (2) Strong acid (pka <O) (SA) Category 1: Category 2: Category 3: If one of these molecules are present do THIS In the...
QUESTION 3 0.5 points Save Answer Which of the following are good nucleophiles and strong bases?...
QUESTION 3 0.5 points Save Answer Which of the following are good nucleophiles and strong bases? Choose all that apply. a. NaCCCH3 b.CH3CH2SNa C. CH3CH2NH2 d. HOC(CH3)3 e. LiN[CH(CH3)2)12 f. KOCH2CH3 9. CH3CO2Na QUESTION 4 0.5 points Save Answer Which of the following are good nucleophiles and weak bases? Choose all that apply. a. LiN[CH(CH3)2)]2 b.CH3CO2Na C. KOCH2CH3 d. NaCCCH3 e. CH3CH2SNA Of. HOC(CH3)3 9. CH3CH2NH2
1. Which of the following are ethers? Circle All that Apply. Saisir Šv mnom 2. Which...
1. Which of the following are ethers? Circle All that Apply. Saisir Šv mnom 2. Which of the following is/are secondary (29) alcohols? Circle All that Apply. OH ОН 3. Which of the following are epoxides? Circle All that Apply. 17 4. Which of the following are thiols? Circle All that Apply. SH H₃ C CH₃ 3 wowodu 4. Which of the following are thiols? Circle All that Apply. SH H₃C CH₃ 5. What is the IUPAC name of the...
1. (18 points; 3 points each] Multiple Choice: Circle the best answer i. Consider the following...
1. (18 points; 3 points each] Multiple Choice: Circle the best answer i. Consider the following reaction: Xooot THF, A If there are no other changes, what is the effect of doubling the concentration of the starting alcohol on the rate of this reaction? a. No change b. Doubles the rate C. Triples the rate d. Quadruples the rate ii. Which nitrogen compound below would react fastest as a nucleophile in an 5, 2 reaction? NH NH N d. "NH2...
Which of the following tests do good financial policies meet? Circle all that apply. a. Do...
Which of the following tests do good financial policies meet? Circle all that apply. a. Do they create value? b. Do they create a competitive advantage? c. Do they sustain the company’s managerial vision? d. All of the above.
12. Dialkyl ethers (e.g., diethyl ether) are typically unreactive with all of the following classes of...
12. Dialkyl ethers (e.g., diethyl ether) are typically unreactive with all of the following classes of reagents except: d. reducing agents c. nucleophiles b. strong bases a. strong acids 13. The carbonyl carbon of (C 0) of aldehydes and ketones has a high degree of (positive or negative) charge which provides a good site for attack of (electrophiles or nucleophiles). a. negative, electrophiles b. negative, nucleophiles a. positive, electroph b. positive, nucleophiles 14. Which of the following is the major...
i keep receiving a 4/5 points. Which of the following statements regarding acetals is true? Select...
i
keep receiving a 4/5 points.
Which of the following statements regarding acetals is true? Select all correct answers. Acetals can be formed from aldehydes or ketones plus water. Acetals are stable to base, but will react with acids. Acetals are formed under equilibrium conditions, so excess alcohol is often employed. Acetals can be used as temporary protecting groups for aldehydes and ketones. Acetals will react with most nucleophiles. Acetals will react with most reducing agents. An acetal will contain...
please snswer all thanks 5. For the following reaction step, indicate which pattern of arrow pushing...
please snswer all thanks
5. For the following reaction step, indicate which pattern of arrow pushing it represents. Circle one. A. proton transfer C. nucleophilic attack B. loss of leaving group D. rearrangement 6. The following reaction has three mechanistic steps (down, across, and up), Draw all of the curved arrows necessary to complete the mechanism. (Hint: there should be 4 arrows total) HBO OH Br H-Br OH2 + Hö 7. Draw the most likely structure of the following cation...
5/ Which of the following statements is/are TRUE? Check all that apply. a/ If a person...
5/ Which of the following statements is/are TRUE? Check all that apply. a/ If a person is overweight or obese and does not eat healthfully, he/she should not bother to exercise. Even moderate, doctor-approved exercise is dangerous for an overweight person and will not help to improve his/her health. b/ As far as the health effects of daily exercise, you can "count" small bursts of exercise; for example, if you get 4 sessions of exercise at 10 minutes each, you...
Question 1 The following reaction between 2-methylbut-2-ene and hydrogen bromide (HBr) is best described as what...
Question 1 The following reaction between 2-methylbut-2-ene and hydrogen bromide (HBr) is best described as what type of reaction? Refer to the Figure A) Addition B) Substitution C) Elimination D) Rearrangement Question 2 For the reaction in question 1, two products are possible- a major product, and a minor product. For the minor product, what is the splitting pattern for the added hydrogen (highlighted in red) that would be observed in the molecules HINMR spectrum? Refer to the Figure HBr...
Sort the molecules. Strong Base (SB)= stable or unstable good or bad Leaving group Name: Weak Base (WB) = stable or unstable good or bad leaving group Category 1 (A = large e-cloud delocalizes anion): Category 2 (R= resonance stabilized anion): Category 3 (neutral): *Circle any strong bases that are NOT good nucleophiles (why?) Weak acid (WA) (2) Strong acid (pka <O) (SA) Category 1: Category 2: Category 3: If one of these molecules are present do THIS In the...
QUESTION 3 0.5 points Save Answer Which of the following are good nucleophiles and strong bases? Choose all that apply. a. NaCCCH3 b.CH3CH2SNa C. CH3CH2NH2 d. HOC(CH3)3 e. LiN[CH(CH3)2)12 f. KOCH2CH3 9. CH3CO2Na QUESTION 4 0.5 points Save Answer Which of the following are good nucleophiles and weak bases? Choose all that apply. a. LiN[CH(CH3)2)]2 b.CH3CO2Na C. KOCH2CH3 d. NaCCCH3 e. CH3CH2SNA Of. HOC(CH3)3 9. CH3CH2NH2
1. Which of the following are ethers? Circle All that Apply. Saisir Šv mnom 2. Which of the following is/are secondary (29) alcohols? Circle All that Apply. OH ОН 3. Which of the following are epoxides? Circle All that Apply. 17 4. Which of the following are thiols? Circle All that Apply. SH H₃ C CH₃ 3 wowodu 4. Which of the following are thiols? Circle All that Apply. SH H₃C CH₃ 5. What is the IUPAC name of the...
1. (18 points; 3 points each] Multiple Choice: Circle the best answer i. Consider the following reaction: Xooot THF, A If there are no other changes, what is the effect of doubling the concentration of the starting alcohol on the rate of this reaction? a. No change b. Doubles the rate C. Triples the rate d. Quadruples the rate ii. Which nitrogen compound below would react fastest as a nucleophile in an 5, 2 reaction? NH NH N d. "NH2...
12. Dialkyl ethers (e.g., diethyl ether) are typically unreactive with all of the following classes of reagents except: d. reducing agents c. nucleophiles b. strong bases a. strong acids 13. The carbonyl carbon of (C 0) of aldehydes and ketones has a high degree of (positive or negative) charge which provides a good site for attack of (electrophiles or nucleophiles). a. negative, electrophiles b. negative, nucleophiles a. positive, electroph b. positive, nucleophiles 14. Which of the following is the major...
i
keep receiving a 4/5 points.
Which of the following statements regarding acetals is true? Select all correct answers. Acetals can be formed from aldehydes or ketones plus water. Acetals are stable to base, but will react with acids. Acetals are formed under equilibrium conditions, so excess alcohol is often employed. Acetals can be used as temporary protecting groups for aldehydes and ketones. Acetals will react with most nucleophiles. Acetals will react with most reducing agents. An acetal will contain...
please snswer all thanks
5. For the following reaction step, indicate which pattern of arrow pushing it represents. Circle one. A. proton transfer C. nucleophilic attack B. loss of leaving group D. rearrangement 6. The following reaction has three mechanistic steps (down, across, and up), Draw all of the curved arrows necessary to complete the mechanism. (Hint: there should be 4 arrows total) HBO OH Br H-Br OH2 + Hö 7. Draw the most likely structure of the following cation...
Question 1 The following reaction between 2-methylbut-2-ene and hydrogen bromide (HBr) is best described as what type of reaction? Refer to the Figure A) Addition B) Substitution C) Elimination D) Rearrangement Question 2 For the reaction in question 1, two products are possible- a major product, and a minor product. For the minor product, what is the splitting pattern for the added hydrogen (highlighted in red) that would be observed in the molecules HINMR spectrum? Refer to the Figure HBr...
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