Homework Answers
option I is correct
Explanation: structure I on heterolysis produces tertiary carbocation as an intermediate which is more stable than secondary carbocation which is more stable than primary carbocation.
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QUESTION 4 Use charge stability to determine which of the following heterolysis steps will happen at the fastest rate....
on- QUESTION 3 What is a product of the following sequence of elementary steps? Br 1....
on- QUESTION 3 What is a product of the following sequence of elementary steps? Br 1. E2 involving NaOCH Ph. Ph 2. Electrophilic addition involving H 3. Coordination involving H2O 4. Proton transfer involving HO OCH3 он OCH3 Ph. Ph. Ph Ph Ph. Ph Ph Ph Он (a) (b) (c) (d) A C QUESTION 4 Use charge stability to determine which of the following heterolsis steps will happen at the fastest rate Chick Soue and Subeir to save and submit....
4. Which of the following will have the fastest rate of reaction in a SNI reaction?...
4. Which of the following will have the fastest rate of reaction in a SNI reaction? Why? a. Cl но ert-butyl chloride tert-butanol BuOH tBuCl Put the following carbocations in order of increasing stability starting with the least stable. 5. a. Br Br Br CH3Br
QUESTION 36 Which would be the best substrate for a reaction that involves heterolysis? bromobenzene bromobutane...
QUESTION 36 Which would be the best substrate for a reaction that involves heterolysis? bromobenzene bromobutane 2-bromopropene benzyl bromide QUESTION 37 Which nitrile would form fastest in a substitution reaction of an alkyl tosylate with cyanide in a polar aprotic solvent 2-methylpentanenitrile 2.2-dimethylpentanenitrile pentanenitrile 3-methylpentanenitrile QUESTION 38 QUESTION 38 Which compound would have an odd molecular ion peak in the mass spectrum? O trichloromethane 1.1.2-trifluoroethanol ethylene oxide butan-2-amine QUESTION 39 How many products would result from the benzyne reaction (Na/NH3)...
Question 19 (2 points) Which of the following compounds will undergo the fastest SN 1 reaction?...
Question 19 (2 points) Which of the following compounds will undergo the fastest SN 1 reaction? Br BI Br Br 1 I! II! IV oa) III ob) IV OC) 11 od) 1 Question 20 (2 points) In the molecule shown below, determine which of the highlighted C-H bonds a to d is expected to have the lowest bond dissociation energy? HU Hd Oa) C-Hb ob) C-HC Oc) C-Hd od) C-Ha
Question 7 (2 points) Which of the following compounds will undergo the fastest Sn1 reaction? Br...
Question 7 (2 points) Which of the following compounds will undergo the fastest Sn1 reaction? Br Br Br Br III IV a) III Ob) 11 O civ d) Question 8 (2 points) Identify the electrophile in the nitration of benzene reaction. a) NO b) HNO3 c) NO d) NO
1. Use numbers to indicate which compound will read the fastest by the these alcohols with...
1. Use numbers to indicate which compound will read the fastest by the these alcohols with Nal in acetone. With 1 being the fastest and being the sot 2 mechanismo Hgc er HOCH HC 2. Show the step by step mechanism to account for the following transformation. Also predict une major product formed. (20 points) com, HB HCX HBOX Br HACCHE Syl condition CH нус сн, он orts CH H₂C Dr. Denton
QUESTION 30 Which of the following would have the fastest rate of reaction to form 4-tert-butylcyclohexene?...
QUESTION 30 Which of the following would have the fastest rate of reaction to form 4-tert-butylcyclohexene? KOC(CH3)3 A) (CH3), H KOC(CH) B) (CH), KOC(CH)3 C) (CH3)C . KOC(CH): D) (CH3)C.
D Question 3 2 pts Which of the following reactions below occurs at the fastest rate...
D Question 3 2 pts Which of the following reactions below occurs at the fastest rate Select) Rxn 1 Rxn 2 Rxn 3 Why does that one occur at the fastest rate? (Select] Rxn 1 - Bu B r HO/H2O uomo, como Rxn 2 -Bu RM3 Boer HO HO B.. Die
* Question Completion Status: QUESTION 4 Is the following structure chiral? Ph. ČOOH Yes No QUESTION...
* Question Completion Status: QUESTION 4 Is the following structure chiral? Ph. ČOOH Yes No QUESTION 5 1p Assign the correct stereochemical descriptor R or S according to the Cahn-Ingold-Prelog (CIP) nomenclature system to the following compound. Hint: The only possible answers are either the letters R or S- make sure to use CAPITAL letters, and only provide a single character. COOH NH2 н Me QUESTION z Is the following structure chiral? ОН НООС HO, O Yes O No QUESTION...
QUESTION 43 Which of the following is most stable? 11 III IV 0 0 0 0...
QUESTION 43 Which of the following is most stable? 11 III IV 0 0 0 0 ON LECTION 44 QUESTION 44 What is the most likely product of the reaction below? 1. LDA i 2. 3. H2O II HO IV QUESTION 45 Which reactant, reagent and conditions will give the best yield of (R)-butan-2-ol? (S)-butan-2-ol with NaOCH3 CH3OH (5)-butan-2-ol with 1) TSCI, pyridine followed by 2) NaOCH3 CH3OH (S)-butan-2-ol with 1) Nah followed by 2) CH3Br (R)-butan-2-ol with 1) TsCl,...
on- QUESTION 3 What is a product of the following sequence of elementary steps? Br 1. E2 involving NaOCH Ph. Ph 2. Electrophilic addition involving H 3. Coordination involving H2O 4. Proton transfer involving HO OCH3 он OCH3 Ph. Ph. Ph Ph Ph. Ph Ph Ph Он (a) (b) (c) (d) A C QUESTION 4 Use charge stability to determine which of the following heterolsis steps will happen at the fastest rate Chick Soue and Subeir to save and submit....
4. Which of the following will have the fastest rate of reaction in a SNI reaction? Why? a. Cl но ert-butyl chloride tert-butanol BuOH tBuCl Put the following carbocations in order of increasing stability starting with the least stable. 5. a. Br Br Br CH3Br
QUESTION 36 Which would be the best substrate for a reaction that involves heterolysis? bromobenzene bromobutane 2-bromopropene benzyl bromide QUESTION 37 Which nitrile would form fastest in a substitution reaction of an alkyl tosylate with cyanide in a polar aprotic solvent 2-methylpentanenitrile 2.2-dimethylpentanenitrile pentanenitrile 3-methylpentanenitrile QUESTION 38 QUESTION 38 Which compound would have an odd molecular ion peak in the mass spectrum? O trichloromethane 1.1.2-trifluoroethanol ethylene oxide butan-2-amine QUESTION 39 How many products would result from the benzyne reaction (Na/NH3)...
Question 19 (2 points) Which of the following compounds will undergo the fastest SN 1 reaction? Br BI Br Br 1 I! II! IV oa) III ob) IV OC) 11 od) 1 Question 20 (2 points) In the molecule shown below, determine which of the highlighted C-H bonds a to d is expected to have the lowest bond dissociation energy? HU Hd Oa) C-Hb ob) C-HC Oc) C-Hd od) C-Ha
Question 7 (2 points) Which of the following compounds will undergo the fastest Sn1 reaction? Br Br Br Br III IV a) III Ob) 11 O civ d) Question 8 (2 points) Identify the electrophile in the nitration of benzene reaction. a) NO b) HNO3 c) NO d) NO
1. Use numbers to indicate which compound will read the fastest by the these alcohols with Nal in acetone. With 1 being the fastest and being the sot 2 mechanismo Hgc er HOCH HC 2. Show the step by step mechanism to account for the following transformation. Also predict une major product formed. (20 points) com, HB HCX HBOX Br HACCHE Syl condition CH нус сн, он orts CH H₂C Dr. Denton
QUESTION 30 Which of the following would have the fastest rate of reaction to form 4-tert-butylcyclohexene? KOC(CH3)3 A) (CH3), H KOC(CH) B) (CH), KOC(CH)3 C) (CH3)C . KOC(CH): D) (CH3)C.
D Question 3 2 pts Which of the following reactions below occurs at the fastest rate Select) Rxn 1 Rxn 2 Rxn 3 Why does that one occur at the fastest rate? (Select] Rxn 1 - Bu B r HO/H2O uomo, como Rxn 2 -Bu RM3 Boer HO HO B.. Die
* Question Completion Status: QUESTION 4 Is the following structure chiral? Ph. ČOOH Yes No QUESTION 5 1p Assign the correct stereochemical descriptor R or S according to the Cahn-Ingold-Prelog (CIP) nomenclature system to the following compound. Hint: The only possible answers are either the letters R or S- make sure to use CAPITAL letters, and only provide a single character. COOH NH2 н Me QUESTION z Is the following structure chiral? ОН НООС HO, O Yes O No QUESTION...
QUESTION 43 Which of the following is most stable? 11 III IV 0 0 0 0 ON LECTION 44 QUESTION 44 What is the most likely product of the reaction below? 1. LDA i 2. 3. H2O II HO IV QUESTION 45 Which reactant, reagent and conditions will give the best yield of (R)-butan-2-ol? (S)-butan-2-ol with NaOCH3 CH3OH (5)-butan-2-ol with 1) TSCI, pyridine followed by 2) NaOCH3 CH3OH (S)-butan-2-ol with 1) Nah followed by 2) CH3Br (R)-butan-2-ol with 1) TsCl,...
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