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4. A student tried to form the iodohydrin of the alkene shown. However, they isolated an unexpected product. Propose a...
4. Propose a mechanism to explain the formation of the unexpected product: 1. xs. CH3CH2MgBr _THE...
4. Propose a mechanism to explain the formation of the unexpected product: 1. xs. CH3CH2MgBr _THE OCH, 2. H30* expected product unexpected product 8 pts.
Consider the reaction below. Note that the stereochemistry of the product is now shown: 12 points....
Consider the reaction below. Note that the stereochemistry of the product is now shown: 12 points. 5. Br2 CH2Cl2 Br Br a. Draw the most stable chair conformation of the starting material (i.e. the alkene). Use the chair template provided on your answer sheet. You do not need to draw ring hydrogens. (2 points) b. Draw a detailed stepwise mechanism for the reaction. Draw all intermediates and use curved arrows to show 'electron movement'. If multiple stereoisomers of the same...
4. [12 pts] Propose mechanisms for the formation of all 3 products shown in the reaction...
4. [12 pts] Propose mechanisms for the formation of all 3 products shown in the reaction below: (draw curved arrows, intermediates, and resonance structures if necessary. NO NEED FOR TRANSITION STATES! CH CH CH CH Br Heat CH,CH,OH OCH.CH Mechanism.14 points) Mechanism 2 points) Mechanism.3 14 points) 5. [14 pts] Provide the major products of reacting the alkene shown in the middle of the scheme below with all the reagents independently. Draw the products' structures in the corresponding table below...
i need help with these but alkene is the major product formed from each alkyl halide...
i need help with these
but alkene is the major product formed from each alkyl halide in an El reaction? CH Br CHE Considering the requirement of an anti-periplanar geometry, what E2 product(s) is/are formed from each starting material? Note: Deuterium (Atomic Symbol: D) is one of the two stable isotopes of hydrogen."It nucleus contains one proton and one neutron, whereas the nucles of the more common isotope, protium, contains only one profon. The heavier version of hydrogen can undergo...
#4 which of the following represent the final product of the below aldol condensation reaction ?...
#4 which of the following represent the final product of the
below aldol condensation reaction ? the IR of the product does not
have a broad peak around 3300 wavenumbers
Which intermediates are formed during the mechanism of the below reaction? Select all that apply. 2 й — ДА . с . CH_CH3 \ 2. То No ті о он g / H,с сну Нас сн, о - — -- H₃C CH₂ Question 2 2 pts In the above reaction,...
10. For the S2 reaction shown, which product is faster to form (major product, 1 eq. means 1:1 ratio)? 14. Which st...
10. For the S2 reaction shown, which product is faster to form (major product, 1 eq. means 1:1 ratio)? 14. Which statement is correctn reaction shown? 1eg. NaCN. ACN Br 11. Which statement is correct regarding I and II in the transition state of Sn2 reaction? I II IH HI A. The product is Hoffman used is NaOC(CH) B. The product is Zaitsev p used is NaOCH, C. The product is Hoffman used is NaOCH; D. The product is Zaitsev...
(C) Protonation of alkene to form a carbocation followed by addition of bromide ion (D) Addition...
(C) Protonation of alkene to form a carbocation followed by addition of bromide ion (D) Addition of the proton to one face of the alkene with simultaneous delivery of a bromide ion from a different molecule of H-Br. 11. Which compound is the strongest nmucleophile for reaction of methane methanesulfonate (CHOS0.CH) in methanol at room temperature? (You may assume that everything is soluble in methanol) (A) potassium bromide (B) cesium iodide (C) sodiam chloride (D) lithium flaoride 12. Which proton...
1) Give the product of the two reactions shown. КОН xs Br2 can form. 2) Draw...
1) Give the product of the two reactions shown. КОН xs Br2 can form. 2) Draw the arrows for this enolization mechanism and explain why the enolate anion can سلسل • -- Why can the enolate anion form? 3) Fill in the arrows for the alkylation mechanism below. Explain why the enolate anion 1) KOH late anion can form OH : -Br Why can the enolate ion form? 4) Give the product of the following reaction. NaOEt CH3Br H30 5)...
1. (4 pts) Rank each of the following carbocations in order of stability (1 most stable...
1. (4 pts) Rank each of the following carbocations in order of stability (1 most stable and 4 least stable). н н сH н Н,с Н,с" H сH; CH3 Hас- H 2. (6 pts total; 2 pts each) Complete the following transformations by indicating the reactant structure or the major organic product(s). Place your answer(s) in the space provided. Be certain to indicate stereochemistry where applicable. Cl2 Он cat. H2SO H-о Br Br conc. HBra) сн сна 3. (10 pts...
Show lone pairs on all appropriate atoms and the proper flow of electrons. (1) Mechanism #1:...
Show lone pairs on all appropriate atoms and the proper flow of electrons. (1) Mechanism #1: • Predict the products of the following reaction under different temperature conditions. • Show the mechanism for how the two products are formed at different temperatures (include resonance structures if appropriate). • Label the kinetic product and the thermodynamic product. (5 points) -80 °C + HBr 40 °C (2) Predict the product and show the complete mechanism for the following reaction. • Make sure...
4. Propose a mechanism to explain the formation of the unexpected product: 1. xs. CH3CH2MgBr _THE OCH, 2. H30* expected product unexpected product 8 pts.
Consider the reaction below. Note that the stereochemistry of the product is now shown: 12 points. 5. Br2 CH2Cl2 Br Br a. Draw the most stable chair conformation of the starting material (i.e. the alkene). Use the chair template provided on your answer sheet. You do not need to draw ring hydrogens. (2 points) b. Draw a detailed stepwise mechanism for the reaction. Draw all intermediates and use curved arrows to show 'electron movement'. If multiple stereoisomers of the same...
4. [12 pts] Propose mechanisms for the formation of all 3 products shown in the reaction below: (draw curved arrows, intermediates, and resonance structures if necessary. NO NEED FOR TRANSITION STATES! CH CH CH CH Br Heat CH,CH,OH OCH.CH Mechanism.14 points) Mechanism 2 points) Mechanism.3 14 points) 5. [14 pts] Provide the major products of reacting the alkene shown in the middle of the scheme below with all the reagents independently. Draw the products' structures in the corresponding table below...
i need help with these
but alkene is the major product formed from each alkyl halide in an El reaction? CH Br CHE Considering the requirement of an anti-periplanar geometry, what E2 product(s) is/are formed from each starting material? Note: Deuterium (Atomic Symbol: D) is one of the two stable isotopes of hydrogen."It nucleus contains one proton and one neutron, whereas the nucles of the more common isotope, protium, contains only one profon. The heavier version of hydrogen can undergo...
#4 which of the following represent the final product of the
below aldol condensation reaction ? the IR of the product does not
have a broad peak around 3300 wavenumbers
Which intermediates are formed during the mechanism of the below reaction? Select all that apply. 2 й — ДА . с . CH_CH3 \ 2. То No ті о он g / H,с сну Нас сн, о - — -- H₃C CH₂ Question 2 2 pts In the above reaction,...
10. For the S2 reaction shown, which product is faster to form (major product, 1 eq. means 1:1 ratio)? 14. Which statement is correctn reaction shown? 1eg. NaCN. ACN Br 11. Which statement is correct regarding I and II in the transition state of Sn2 reaction? I II IH HI A. The product is Hoffman used is NaOC(CH) B. The product is Zaitsev p used is NaOCH, C. The product is Hoffman used is NaOCH; D. The product is Zaitsev...
(C) Protonation of alkene to form a carbocation followed by addition of bromide ion (D) Addition of the proton to one face of the alkene with simultaneous delivery of a bromide ion from a different molecule of H-Br. 11. Which compound is the strongest nmucleophile for reaction of methane methanesulfonate (CHOS0.CH) in methanol at room temperature? (You may assume that everything is soluble in methanol) (A) potassium bromide (B) cesium iodide (C) sodiam chloride (D) lithium flaoride 12. Which proton...
1) Give the product of the two reactions shown. КОН xs Br2 can form. 2) Draw the arrows for this enolization mechanism and explain why the enolate anion can سلسل • -- Why can the enolate anion form? 3) Fill in the arrows for the alkylation mechanism below. Explain why the enolate anion 1) KOH late anion can form OH : -Br Why can the enolate ion form? 4) Give the product of the following reaction. NaOEt CH3Br H30 5)...
1. (4 pts) Rank each of the following carbocations in order of stability (1 most stable and 4 least stable). н н сH н Н,с Н,с" H сH; CH3 Hас- H 2. (6 pts total; 2 pts each) Complete the following transformations by indicating the reactant structure or the major organic product(s). Place your answer(s) in the space provided. Be certain to indicate stereochemistry where applicable. Cl2 Он cat. H2SO H-о Br Br conc. HBra) сн сна 3. (10 pts...
Show lone pairs on all appropriate atoms and the proper flow of electrons. (1) Mechanism #1: • Predict the products of the following reaction under different temperature conditions. • Show the mechanism for how the two products are formed at different temperatures (include resonance structures if appropriate). • Label the kinetic product and the thermodynamic product. (5 points) -80 °C + HBr 40 °C (2) Predict the product and show the complete mechanism for the following reaction. • Make sure...
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