Homework Answers
Answer:-
t-buytl carbocation will have = sp2
because it has only three bond pairs
and there is no lone pairs as it forms cation by losing one election fri valence shell . So it has only three electrons in ots valence shell . So it forms only three bond pairs.
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(6 points total) What is the hybridization of a tert-butyl carbocation (circle your answer below). Base...
answer all please. 23. What is the equation for the rate of formation of tert-butyl alcohol...
answer all please.
23. What is the equation for the rate of formation of tert-butyl alcohol from the reaction of tert-butyl bromide (t-BuBr) with water by an Syl mechanism? A) Rate -k [t-BuBr] B) Rate = k [t-BuBr] [H,O] C) Rate k [H2O D) Rate k [t-BuBr] 24. Which of the following statements related to Ssl reactions is not true? A) The SN1 reaction can be described as a heterolytic bond cleavage followed by nucleophilic attack. B) Carbocations are electrophilic....
IV) Acid/Base Reaction - Answer the next few questions about Molecule B, shown below. a) Circle...
IV) Acid/Base Reaction - Answer the next few questions about Molecule B, shown below. a) Circle the terms that correctly describe the molecule. H-bond acceptor dextrorotatory contains ketone racemic has enantiomer H-bond donor Molecule B [a] = -27.8° optically active contains aldehyde levorotatory b) Molecule B can react with another molecule in an acid/base reaction (shown below). olgan In the spaces provided, please do the following: i) Draw the structure of the missing molecule in the space provided. ii) Circle...
Please and all three questions and explain how you got to your answer. I'm really lost...
Please and all three questions
and explain how you got to your answer. I'm really lost and I have
an exam in 7 days! A step by step would be appreciated.
1.(4 points) Predict the order of radical stability (1 = most stable; 4 = least stable). 2. (4 points) Based on the pka data circle the molecule that is most acidic. Explain your answer. RE-H R-C-R RH pka 25 pka 45 pka 50 3. (4 points) Briefly explain why...
QUESTION #10. WHY IS THE ANSWER B? MECHANISM PLEASE Tab Caps Lock 0. Which of the...
QUESTION #10. WHY IS THE ANSWER B? MECHANISM PLEASE
Tab Caps Lock 0. Which of the following compounds would NOT give a tert-butyl alcohol upon reaction with excess methylmagnesium bromide? 0 CI H3C 11. CH,CH,CH,CH,OH is the product (after acidic workup) of propylmagnesium bromide and 0 CH CH2 OH H C E SENT 12. The product of the following reaction is: CF FO list of d cn com (CH)2C C(CH3) CHCl,Koc(cHs)s A. 1,1-dichloro-2,2-dimethylpentane. B. 1,1-dimethylcyclopropane. C. 1,1-dichloro-2,2,3,3-tetramethylcyclopropane. D. 2,2-dichloro-3.3-dimethylbutane. not...
1) A chemical reaction and a table of bond dissociation energies are shown below. H3C H...
1) A chemical reaction and a table of bond dissociation energies are shown below. H3C H НАС + H2O HOZCHz H2C H acid HzC catalyst Bond BDE (KJ/mol) Bond BDE (KJ/mol) Csp3-H 410 Csp2-Csp2 sigma 418 Csp2-H 427 Csp2-Csp2 pi 264 Csp-H 523 C-O sigma 355 Csp3-Csp3 368 C-O pi 261 Csp2-Csp3 418 HO-H 460 a) Calculate the enthalpy change (AH) for the reaction. Remember to include the sign and units. b) If you touched the outside of the reaction...
How do I answer questions in number 6 please, Thanks 6) (12 points) Draw mechanisms for...
How do I answer questions in number 6 please, Thanks
6) (12 points) Draw mechanisms for the following transformations +HC HO Br2 + HBr H3C H3 hv H3C rパ HO Br H2O + HBr c) (Hint for Se: Doubling the concentration of water has no effect on the rate.) 7.) (4 points) For the reaction in question 6b,t below is seen product, and what product ratio of question 6b is in fact the major prod stabilities of intermediates involved in...
Determine the relationship between the two structures below. Circle your answer. (a) Enantiomers (b) Diastereomers (c)...
Determine the relationship between the two structures below. Circle your answer. (a) Enantiomers (b) Diastereomers (c) Identical (d) Constitutional isomers (e) No relation CH3 н H1 Н H H Н, Br Br
please help with these chemistry problems 2. (5 points) Why does this reaction occur via a...
please help with these chemistry problems
2. (5 points) Why does this reaction occur via a Si1 pathway and not via a Si2 pathway? 3. (5 points) In general are SN1 reactions stereospecific? Why or why not? 2 5.(5 points) Why do carbon substituents stabilize a carbocation and destabilize a carbanion? 6. (5 points) The mass spec of your product has a base peak at 77 draw what this fragment looks like. What would explain the peak at 79. (you...
Can you answer the questions given in the photos above? The sec-butyl cation can react as...
Can you answer the questions given in the photos
above?
The sec-butyl cation can react as both a Lewis acid and a Brønsted- Lowry acid in the presence of a water-sulfuric acid mixture. In each case, however, the product is different. The two reactions are: 2. H2o +H3O+ a. In which reaction does this cation react as a Lewis acid? In which does it react as a Brønsted-Lowry acid? b. Write Lewis structures for reactants and products and show by...
please circle answer Shown below is the reaction between a nitrile and a Grignard reagent. What...
please circle answer
Shown below is the reaction between a nitrile and a Grignard reagent. What would be the first step in the mechanism? CN - 1. CH3MgBr 2. H307 Nucleophile attacks nitrile carbon Hydrolysis of the nitrile Protonate the nitrile nitrogen Base Beprotonates the alpha-carbon An unknown compound shows an infrared absorption around 2250 cm (medium intensity). What structural fragment could be causing this absorption? carbonyl OOH nitrile N-H NH 1. (CH3)2CHCOCI, pyridine 2. LIAIH4 3. H2O Product tertiary...
answer all please.
23. What is the equation for the rate of formation of tert-butyl alcohol from the reaction of tert-butyl bromide (t-BuBr) with water by an Syl mechanism? A) Rate -k [t-BuBr] B) Rate = k [t-BuBr] [H,O] C) Rate k [H2O D) Rate k [t-BuBr] 24. Which of the following statements related to Ssl reactions is not true? A) The SN1 reaction can be described as a heterolytic bond cleavage followed by nucleophilic attack. B) Carbocations are electrophilic....
IV) Acid/Base Reaction - Answer the next few questions about Molecule B, shown below. a) Circle the terms that correctly describe the molecule. H-bond acceptor dextrorotatory contains ketone racemic has enantiomer H-bond donor Molecule B [a] = -27.8° optically active contains aldehyde levorotatory b) Molecule B can react with another molecule in an acid/base reaction (shown below). olgan In the spaces provided, please do the following: i) Draw the structure of the missing molecule in the space provided. ii) Circle...
Please and all three questions
and explain how you got to your answer. I'm really lost and I have
an exam in 7 days! A step by step would be appreciated.
1.(4 points) Predict the order of radical stability (1 = most stable; 4 = least stable). 2. (4 points) Based on the pka data circle the molecule that is most acidic. Explain your answer. RE-H R-C-R RH pka 25 pka 45 pka 50 3. (4 points) Briefly explain why...
QUESTION #10. WHY IS THE ANSWER B? MECHANISM PLEASE
Tab Caps Lock 0. Which of the following compounds would NOT give a tert-butyl alcohol upon reaction with excess methylmagnesium bromide? 0 CI H3C 11. CH,CH,CH,CH,OH is the product (after acidic workup) of propylmagnesium bromide and 0 CH CH2 OH H C E SENT 12. The product of the following reaction is: CF FO list of d cn com (CH)2C C(CH3) CHCl,Koc(cHs)s A. 1,1-dichloro-2,2-dimethylpentane. B. 1,1-dimethylcyclopropane. C. 1,1-dichloro-2,2,3,3-tetramethylcyclopropane. D. 2,2-dichloro-3.3-dimethylbutane. not...
1) A chemical reaction and a table of bond dissociation energies are shown below. H3C H НАС + H2O HOZCHz H2C H acid HzC catalyst Bond BDE (KJ/mol) Bond BDE (KJ/mol) Csp3-H 410 Csp2-Csp2 sigma 418 Csp2-H 427 Csp2-Csp2 pi 264 Csp-H 523 C-O sigma 355 Csp3-Csp3 368 C-O pi 261 Csp2-Csp3 418 HO-H 460 a) Calculate the enthalpy change (AH) for the reaction. Remember to include the sign and units. b) If you touched the outside of the reaction...
How do I answer questions in number 6 please, Thanks
6) (12 points) Draw mechanisms for the following transformations +HC HO Br2 + HBr H3C H3 hv H3C rパ HO Br H2O + HBr c) (Hint for Se: Doubling the concentration of water has no effect on the rate.) 7.) (4 points) For the reaction in question 6b,t below is seen product, and what product ratio of question 6b is in fact the major prod stabilities of intermediates involved in...
Determine the relationship between the two structures below. Circle your answer. (a) Enantiomers (b) Diastereomers (c) Identical (d) Constitutional isomers (e) No relation CH3 н H1 Н H H Н, Br Br
please help with these chemistry problems
2. (5 points) Why does this reaction occur via a Si1 pathway and not via a Si2 pathway? 3. (5 points) In general are SN1 reactions stereospecific? Why or why not? 2 5.(5 points) Why do carbon substituents stabilize a carbocation and destabilize a carbanion? 6. (5 points) The mass spec of your product has a base peak at 77 draw what this fragment looks like. What would explain the peak at 79. (you...
Can you answer the questions given in the photos
above?
The sec-butyl cation can react as both a Lewis acid and a Brønsted- Lowry acid in the presence of a water-sulfuric acid mixture. In each case, however, the product is different. The two reactions are: 2. H2o +H3O+ a. In which reaction does this cation react as a Lewis acid? In which does it react as a Brønsted-Lowry acid? b. Write Lewis structures for reactants and products and show by...
please circle answer
Shown below is the reaction between a nitrile and a Grignard reagent. What would be the first step in the mechanism? CN - 1. CH3MgBr 2. H307 Nucleophile attacks nitrile carbon Hydrolysis of the nitrile Protonate the nitrile nitrogen Base Beprotonates the alpha-carbon An unknown compound shows an infrared absorption around 2250 cm (medium intensity). What structural fragment could be causing this absorption? carbonyl OOH nitrile N-H NH 1. (CH3)2CHCOCI, pyridine 2. LIAIH4 3. H2O Product tertiary...
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