Homework Answers
A cencerted reaction is a type of chemical reaction in which almost all bond breaking and bond making occurs in a single step reaction. Also a concentred reaction undergoes with out the formation of any unstable high energy intermediate.
Since in SN2 reaction both bond breaking and bond making occurs in a single step reaction, it is an example of concenrted reaction.
Hence correct answer is SN2
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Which of the following is not an example of a concerted reaction? Diels E2 S,1 S,2
(2) Diels-Alder reactions of a diene with a dienophile are known to undergo a concerted reaction....
(2) Diels-Alder reactions of a diene with a dienophile are known to undergo a concerted reaction. However, 2,3-Di- tert-1,3-butadene does not undergo Diels-Aider reactions. Explain 2,3-di-tert-1,3-butadiene (4) Propose mechanisms for the following steps 1 and 2. Slep 1 Step 2 Bry Br NaBH CH acetic acid (I) Using> as a symbol, rank the following alkyl bromides in order of decreasing reactivity. (6 pts) Br Cн,Br -Br (a) For hydrolysis by an Sy1 mechanism (b) For hydrolysis by an S,2 mechanism...
The Diels-Alder reaction is a concerted reaction; this means: O a mixture of endo and exo...
The Diels-Alder reaction is a concerted reaction; this means: O a mixture of endo and exo products are formed v the products contain rings all bond making and bond breaking occurs simultaneously the reaction follows Markovnikov's rule
Complete the mechanism of the following Diels-Alder reaction by drawing the curved arrows for the concerted...
Complete the mechanism of the following Diels-Alder reaction by drawing the curved arrows for the concerted reaction and the final product formed. (Note that the COOH group is a carboxylic acid group, which is electron withdrawing.) Interactive 3D display mode Draw all missing reactants and/or products in the appropriate boxes by placing atoms on the grid and connecting them with bonds, including charges where needed. Indicate the mechanism by drawing the electron-flow arrows on the molecules. Arrows should start on...
13. What is (are) the elimination product(s) of the following reaction Br メ A) Only I...
13. What is (are) the elimination product(s) of the following reaction Br メ A) Only I B) Only II C) Only III D) II and III Which of the following represents the rate law for an E2 reaction? A) Rate k[alkyl halide] B) Rate k[alkyl halide][base] C) Rate k[alkyl halide]2 D) Rate k[base] 14. 15. Which of the following statements about the mechanism of an E2 reaction is true? A) B) C) D) All bonds are broken and formed in...
QUESTION 1 Which of the following is an example of a precipitation reaction? 2 Na (s)...
QUESTION 1 Which of the following is an example of a precipitation reaction? 2 Na (s) + Cl2 (g) → 2 NaCl (s) a. b. 12 (9) ► 12 (5) c. NaOH (aq) + HCl (aq) – NaCl(aq) + H20 (1) Pb(NO3)2 (aq) + 2KI (aq) – 2KNO3(aq) + PbI2 (s) d. LECTION Chek Chek Sue and submit to s u bmit Click Savel Anders to save all answer
Predict the product for the following Diels-Alder reaction? 1. Predict the product for the following Diels-Alder...
Predict the product for the following Diels-Alder
reaction?
1. Predict the product for the following Diels-Alder reaction. COCH3 COCH3 CCH3 OCH3 OCH3 IV A) I B) II C) III IV E) None of these
Consider the following reaction: Br (S) E2 Reaction H How many unique alkenes are formed? 2...
Consider the following reaction: Br (S) E2 Reaction H How many unique alkenes are formed? 2 O4 O 3 O 1
For the following diels-alder reaction, identify the diene, the dienophile, and the diels-alder adduct For the...
For the following diels-alder reaction, identify the diene, the
dienophile, and the diels-alder adduct
For the following diels-alder reaction, identify the diene, the dienophile, and the diels-alder adductFor the following Diels?Alder reaction, identity the diene, the dienophile, end the Diels?Alder adduct.
Draw an example of a diene that wouldn't be able to engage in a Diels-Alder reaction...
Draw an example of a diene that wouldn't be able to engage in a Diels-Alder reaction and state a reason why
1.Calculate the value of the percent atom economy for each Diels Alder reaction: 2. In the...
1.Calculate the value of the percent atom economy for each Diels
Alder reaction:
2. In the Diels Alder reaction a cyclohexene is created by the
combination of a diene and dienophile.
How many pi bonds are made in the Diels Alder reacion?
How many sigma bonds are made in Diels Alder reacion?
How many pi bonds are destroyed (changed) in the Diels Alder
reaction?
Reaction 1&2 sillo Reaction 3&4 - oi d. por lo Reaction 5&6
(2) Diels-Alder reactions of a diene with a dienophile are known to undergo a concerted reaction. However, 2,3-Di- tert-1,3-butadene does not undergo Diels-Aider reactions. Explain 2,3-di-tert-1,3-butadiene (4) Propose mechanisms for the following steps 1 and 2. Slep 1 Step 2 Bry Br NaBH CH acetic acid (I) Using> as a symbol, rank the following alkyl bromides in order of decreasing reactivity. (6 pts) Br Cн,Br -Br (a) For hydrolysis by an Sy1 mechanism (b) For hydrolysis by an S,2 mechanism...
The Diels-Alder reaction is a concerted reaction; this means: O a mixture of endo and exo products are formed v the products contain rings all bond making and bond breaking occurs simultaneously the reaction follows Markovnikov's rule
13. What is (are) the elimination product(s) of the following reaction Br メ A) Only I B) Only II C) Only III D) II and III Which of the following represents the rate law for an E2 reaction? A) Rate k[alkyl halide] B) Rate k[alkyl halide][base] C) Rate k[alkyl halide]2 D) Rate k[base] 14. 15. Which of the following statements about the mechanism of an E2 reaction is true? A) B) C) D) All bonds are broken and formed in...
QUESTION 1 Which of the following is an example of a precipitation reaction? 2 Na (s) + Cl2 (g) → 2 NaCl (s) a. b. 12 (9) ► 12 (5) c. NaOH (aq) + HCl (aq) – NaCl(aq) + H20 (1) Pb(NO3)2 (aq) + 2KI (aq) – 2KNO3(aq) + PbI2 (s) d. LECTION Chek Chek Sue and submit to s u bmit Click Savel Anders to save all answer
Predict the product for the following Diels-Alder
reaction?
1. Predict the product for the following Diels-Alder reaction. COCH3 COCH3 CCH3 OCH3 OCH3 IV A) I B) II C) III IV E) None of these
Consider the following reaction: Br (S) E2 Reaction H How many unique alkenes are formed? 2 O4 O 3 O 1
For the following diels-alder reaction, identify the diene, the
dienophile, and the diels-alder adduct
For the following diels-alder reaction, identify the diene, the dienophile, and the diels-alder adductFor the following Diels?Alder reaction, identity the diene, the dienophile, end the Diels?Alder adduct.
1.Calculate the value of the percent atom economy for each Diels
Alder reaction:
2. In the Diels Alder reaction a cyclohexene is created by the
combination of a diene and dienophile.
How many pi bonds are made in the Diels Alder reacion?
How many sigma bonds are made in Diels Alder reacion?
How many pi bonds are destroyed (changed) in the Diels Alder
reaction?
Reaction 1&2 sillo Reaction 3&4 - oi d. por lo Reaction 5&6
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