Homework Answers
Solution:
The order of reactivity of alcohols is: Tertiary (3o) > Secondary (2o) > Primary (1o) > Methyl.
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18, 3(b) Arrange the following alcohols in terms of their increasing reactivity when treated with hydrogen...
2. Arrange the following in order of: (i) increasing reactivity with HCI. CH, CH CH H.C=C...
2. Arrange the following in order of: (i) increasing reactivity with HCI. CH, CH CH H.C=C nec nec 20 cm H.C=C CH HC=C CH, (b) H.C=C NHCH, CHOCH, ОСН, (a) (c) (d) Teast reactive most reactive (ii) increasing stability. CH CH3 CH (a) (C) least stable most stable (iii) increasing heat of hydrogenation. CH,CH, CH=CH2 C H.CH O CH.CH CH3 CH,CH; CH,CH, (0) lowest heat of hydrogenation
HO A) -CH OH PCC, excess CH2Cl2 B) 1) O 2) (CH3), 15) Rank the following...
HO A) -CH OH PCC, excess CH2Cl2 B) 1) O 2) (CH3), 15) Rank the following compounds in the decreasing order of reactivity towards nucleophilic addition reaction? 3 Pt ! H Most Reactive: Least Reactive 16) Write the reagents for the following transformations? 6 Pt مر 8 B) 0 OH C)
Arrange the following compounds in increasing order of their reactivity to electrophiles. (least reactive first) A....
Arrange the following compounds in increasing order of their reactivity to electrophiles. (least reactive first) A. CH CHO (benzaldehyde) B. C&HOCH, (anisole) C. C HBr (bromobenzene) D. CH3CH, (toluene) 1) A<C<D<B 2) A<D<C< B 3 ) C<A<B<D 4) C<A<D<B Nitration of chlorobenzene occurs: 1) faster than nitration of benzene and gives the ortho and para products. 2) faster than nitration of benzene and gives the meta product. 3) slower than nitration of benzene and gives the ortho and para products....
-methylhexane C) heptane B) 3-methylhexane D) methylhexane 39. Denaturation of a protein A) changes the primary...
-methylhexane C) heptane B) 3-methylhexane D) methylhexane 39. Denaturation of a protein A) changes the primary structure of a protein. B) disrupts the secondary. tertiary or quaternary structure of a protein. C) is always irreversible. D) hydrolyzes peptide bonds. 40. The carbonyl group consists of A) a carbon-Oxygen-hydrogen structure. B) a carbon-Oxygen single bond. c) a carbon-Oxygen double bond. D) a carbon-oxygen triple bond. 41. The addition of hydrogen to an organic compound or the loss of oxygen is called...
17) Write the products for the following reactions? 8 Pt A) excess сн,он. H2SO4 B) NH...
17) Write the products for the following reactions? 8 Pt A) excess сн,он. H2SO4 B) NH OH H2SO4 - C) Ph3P=CHCH3 i D) CH COOH 18) Predict the steps for the following conversion with proper reagents? (Hint: Protection and deprotection chemistry) 5 Pts осн он 5) Classify the following substituents as ELECTRON DONATING and ELECTRON WITHADRAWING? 3R -NH, -OCH, NO, -CH3 Electron Donating Electron Withdrawing 6) Classify the following compounds AROMATIC, ANTI AROMATIC and NON-AROMATIC? 2 PS con A) 7)...
CH3 (4) 1. Which of the following alkyl halides would you expect to be most reactive...
CH3 (4) 1. Which of the following alkyl halides would you expect to be most reactive in a unimolecular reaction? a) C&H, CH, CH, CH, BY b) CH 1 CH CH Br C) CH11CCH, Br d) C6H CH2 CH CHỊ CHỊ CH3 CHỊ e) C&H, CCH Br CHE (4) 2. What would you expect to be the chief organic product(s) when tert-butyl bromide reacts with sodium acetylide, i.e., CH3 + - CH2-C-Br + Na :CECH — ? CH a) I...
I need some help to answer these following questions. Thanks. 66. Which molecule is the strongest base? O-CH3 H2N Cl H2 What is the order of increasing reactivity in an SN1 reaction for these compoun...
I need some help to answer these following questions.
Thanks.
66. Which molecule is the strongest base? O-CH3 H2N Cl H2 What is the order of increasing reactivity in an SN1 reaction for these compounds? 67. Br Br Br I < 11 < 111 (C) 68. What is the starting material for this reaction? NH3, H+ NaBH3CN NH2 он COCI согн Which compound will be protonated to the greatest extent in 1.0 x 10-3 mol/L aqueous HC1? 69. NH 2...
5) (8 pts) Arrange the following compounds from most acidic through neutral to most basic. Briefly...
5) (8 pts) Arrange the following compounds from most acidic through neutral to most basic. Briefly explain your reasoning. 7) (15 pts) a) Write out the 3-step arrow pushing mechanism showing how 1-pentene is hydrated to make 2-pentanol. b) Draw the other 2 alkenes (don't forgel cis/trans isomers!) that could also be hydrated to make 2-pentanol. Briefly explain why 1-pentene is the best choice. II, II,O a) heat Acidic Neutral Basic 6) (18 pts) Consider the Fischer projections of the...
61. What product is finally formed when the initial compound formed from cyclohexanone and pyrrolidine is...
61. What product is finally formed when the initial compound formed from cyclohexanone and pyrrolidine is mixed with allyl chloride and that product is heated and then hydrolyzed? HO ora III A) I B) II C) III D) IV E) V 59. Which reagent would best serve as the basis for a simple chemical test to distinguish between CH3 ? CH3 and M A) NaOI (12 in NaOH) B) Bry/CCL C) CrO3/H2SO4 D) NaHCO3/H20 E) Ag(NH3)2+ 60. What would be...
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...
2. Arrange the following in order of: (i) increasing reactivity with HCI. CH, CH CH H.C=C nec nec 20 cm H.C=C CH HC=C CH, (b) H.C=C NHCH, CHOCH, ОСН, (a) (c) (d) Teast reactive most reactive (ii) increasing stability. CH CH3 CH (a) (C) least stable most stable (iii) increasing heat of hydrogenation. CH,CH, CH=CH2 C H.CH O CH.CH CH3 CH,CH; CH,CH, (0) lowest heat of hydrogenation
HO A) -CH OH PCC, excess CH2Cl2 B) 1) O 2) (CH3), 15) Rank the following compounds in the decreasing order of reactivity towards nucleophilic addition reaction? 3 Pt ! H Most Reactive: Least Reactive 16) Write the reagents for the following transformations? 6 Pt مر 8 B) 0 OH C)
Arrange the following compounds in increasing order of their reactivity to electrophiles. (least reactive first) A. CH CHO (benzaldehyde) B. C&HOCH, (anisole) C. C HBr (bromobenzene) D. CH3CH, (toluene) 1) A<C<D<B 2) A<D<C< B 3 ) C<A<B<D 4) C<A<D<B Nitration of chlorobenzene occurs: 1) faster than nitration of benzene and gives the ortho and para products. 2) faster than nitration of benzene and gives the meta product. 3) slower than nitration of benzene and gives the ortho and para products....
-methylhexane C) heptane B) 3-methylhexane D) methylhexane 39. Denaturation of a protein A) changes the primary structure of a protein. B) disrupts the secondary. tertiary or quaternary structure of a protein. C) is always irreversible. D) hydrolyzes peptide bonds. 40. The carbonyl group consists of A) a carbon-Oxygen-hydrogen structure. B) a carbon-Oxygen single bond. c) a carbon-Oxygen double bond. D) a carbon-oxygen triple bond. 41. The addition of hydrogen to an organic compound or the loss of oxygen is called...
17) Write the products for the following reactions? 8 Pt A) excess сн,он. H2SO4 B) NH OH H2SO4 - C) Ph3P=CHCH3 i D) CH COOH 18) Predict the steps for the following conversion with proper reagents? (Hint: Protection and deprotection chemistry) 5 Pts осн он 5) Classify the following substituents as ELECTRON DONATING and ELECTRON WITHADRAWING? 3R -NH, -OCH, NO, -CH3 Electron Donating Electron Withdrawing 6) Classify the following compounds AROMATIC, ANTI AROMATIC and NON-AROMATIC? 2 PS con A) 7)...
CH3 (4) 1. Which of the following alkyl halides would you expect to be most reactive in a unimolecular reaction? a) C&H, CH, CH, CH, BY b) CH 1 CH CH Br C) CH11CCH, Br d) C6H CH2 CH CHỊ CHỊ CH3 CHỊ e) C&H, CCH Br CHE (4) 2. What would you expect to be the chief organic product(s) when tert-butyl bromide reacts with sodium acetylide, i.e., CH3 + - CH2-C-Br + Na :CECH — ? CH a) I...
I need some help to answer these following questions.
Thanks.
66. Which molecule is the strongest base? O-CH3 H2N Cl H2 What is the order of increasing reactivity in an SN1 reaction for these compounds? 67. Br Br Br I < 11 < 111 (C) 68. What is the starting material for this reaction? NH3, H+ NaBH3CN NH2 он COCI согн Which compound will be protonated to the greatest extent in 1.0 x 10-3 mol/L aqueous HC1? 69. NH 2...
5) (8 pts) Arrange the following compounds from most acidic through neutral to most basic. Briefly explain your reasoning. 7) (15 pts) a) Write out the 3-step arrow pushing mechanism showing how 1-pentene is hydrated to make 2-pentanol. b) Draw the other 2 alkenes (don't forgel cis/trans isomers!) that could also be hydrated to make 2-pentanol. Briefly explain why 1-pentene is the best choice. II, II,O a) heat Acidic Neutral Basic 6) (18 pts) Consider the Fischer projections of the...
61. What product is finally formed when the initial compound formed from cyclohexanone and pyrrolidine is mixed with allyl chloride and that product is heated and then hydrolyzed? HO ora III A) I B) II C) III D) IV E) V 59. Which reagent would best serve as the basis for a simple chemical test to distinguish between CH3 ? CH3 and M A) NaOI (12 in NaOH) B) Bry/CCL C) CrO3/H2SO4 D) NaHCO3/H20 E) Ag(NH3)2+ 60. What would be...
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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