Homework Answers
1. Br2 molecule has the weakest bond as the atomic size increases, bond length increases, bond strength decreases and bond dissociation energy is lower
12.
8. No reaction is shown so impossible to predict electrophile & nucleophile
9.
Double bond migration leads to the stabilization of the product as the endocyclic double bonds are more stable.
It is an example of a rearrangement reaction.
11. As the bond dissociation energy is not given for the molecule, the heat of the reaction cannot be calculated
please provide sufficient information
But the reaction would be exothermic as stable products will be formed.
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which had the weakest bond between its atoms Br2 Cl2 HBr
HCl?
11. A) Calculate the...
8. For the reaction below dentify the nucleophile and the electro 9. The following reaction can...
8. For the reaction below dentify the nucleophile and the electro 9. The following reaction can be classified as a a) Addition b) rearrangement 10. Which of the following has the weakest bond between its atoms c) substitution d) Oxidation Brb ) Cic ) HBr d) HCI Short Answers: 11. A) Calculate the heat of the reaction given the bond dissociation energies. (5 pts) (CH),C-H + CI-CI → (CH3),c-ci + HCI 12. Give the structure of 3-Methylpentane (3 pts)
In Section 29-7, McQuarrie details the chain reaction between H2(g) and Br2(g). Consider the realted chain...
In Section 29-7, McQuarrie details the chain reaction between H2(g) and Br2(g). Consider the realted chain reaction H2(g) + Cl2(g) → 2HCl(g). The mechanism for this reaction is: Cl2(g) + Mg) = 2 Cl(g) +Mg) ki CI(g) + H2(g) → HCI(g) + H() k2 H(g) + Cl2(8) = HCI(g) + CI(8) k3 2Cl(g) + Mg) = Cl2(g) + Mg) ks (a) Use bond dissociation energies to explain why it is reasonable to exclude the analogous inhibition steps in this mechanism...
3. Acids and Bases. (15 pts) (a) Circle the weakest acid in each series shown below (9 pts). Seri...
poease answer and explain all. thank you!
3. Acids and Bases. (15 pts) (a) Circle the weakest acid in each series shown below (9 pts). Series 1 HC CH2 Series 2 OH он OH Series 3 Cl ai pk, 9.38 pk, 10.2 (b) Draw the products of the following acid-base reaction (6 pts). CH3O reactants products 4. Use curved arrow to indieate the flow of electrons for the following elementary steps. Label each step with a proper name such as...
3) The reaction H2 + Cl2+ Br2 behavior: HCl + HBr + CIBr is shown to...
3) The reaction H2 + Cl2+ Br2 behavior: HCl + HBr + CIBr is shown to have the following rate Rate (M/s) H2] (M) [Cl2] (M) Br2] (M) 0.38 0.1 0.4 0.12 0.12 0.76 0.2 0.2 0.4 0.76 1.52 0.8 0.12 0.2 0.8 0.24 b) (15 points) What is the rate constant for the reaction? Use appropriate units. a) (15 points) What is the rate law for the reaction? WD/RE c) (30 points) Propose a mechanism for the reaction.
3) The reaction H2 + Cl2 + Br2 → HCI + HBr + CIBr is shown...
3) The reaction H2 + Cl2 + Br2 → HCI + HBr + CIBr is shown to have the following rate behavior: Rate (M/s) [H2] (M) [Cl] (M) [Br2] (M) 0.38 0.76 0.76 0.1 0.2 0.2 0.2 0.4 0.4 0.8 0.8 0.12 0.12 0.12 0.24 1.52 a) (15 points) What is the rate law for the reaction? b) (15 points) What is the rate constant for the reaction? Use appropriate units. c) (30 points) Propose a mechanism for the reaction.
Which type of bond is the weakest bond between two atoms
21) Which type of bond is the weakest bond between two atoms:A) ionic bondB) covalent bondD) nonpolar bondE) hydrogen bond22) Look at the reaction below, fill in the blank with the correct number in order to balance the reaction:\(6 \mathrm{CO} 2+6 \mathrm{H} 2 \mathrm{O} \rightarrow \mathrm{C} 6 \mathrm{H} 1206+\)A) 2B) 4C) 60223) Which of the following statements below concerning water is not correct?A) composed of polar molecules.B) responsible for most of the mass of humansC) with low heat capacity:D) may...
Ho for the pre c! . Given the bond dissociation energies below in Kcal/mol, estimate the ano forth (CH),CH-CI step...
Ho for the pre c! . Given the bond dissociation energies below in Kcal/mol, estimate the ano forth (CH),CH-CI step . CHCI c) 40 kcal/mol (CH.J.CH a) +22 kcal/mol b)-22 kcal/mol e) -45 kcal/mol he major monobrominated product that results from when methylcyclopentane is subjected d) +45 kcal/mol c) a tertiary halide radical bromination is b) a secondary halide e) bromomethane a) A primary halide d) A quaternary halide 3. Which of the following is a termination a) Cl +...
2CH4(g)→C2H6(g)+H2(g) C2H6(g)+Cl2(g)→C2H5Cl(g)+HCl(g) N2(g)+3H2(g)→2NH3(g) Express your answer as a whole number and include the appropriate units. ΔHrxn∘=...
2CH4(g)→C2H6(g)+H2(g)
C2H6(g)+Cl2(g)→C2H5Cl(g)+HCl(g)
N2(g)+3H2(g)→2NH3(g)
Express your answer as a whole number and include the
appropriate units.
ΔHrxn∘=
Use the average bond dissociation energies in the table given below to calculate approximate reaction enthalpies in kilojoules for the following processes: TABLE. Average Bond Dissociation Energies, D (kJ/mol) Н - н 436а | С — н |410 N— H 390| О — F I-I 151a 180 Н- С |410 C 350 N- C |300|O C Cl S - F 200 310 H -F...
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...
Alkene reaction and mechanisms practice exercise 1) O₃ 2) (CH3)2S 25) Treatment of cyclopentene with peroxybenzoic...
Alkene reaction and mechanisms practice exercise
1) O₃ 2) (CH3)2S 25) Treatment of cyclopentene with peroxybenzoic acid A) results in oxidative cleavage of the ring to produce an acyclic compound B) yields a meso epoxide C) yields an equimolar mixture of enantiomeric epoxides D) gives the same product as treatment of cyclopentene with Os04 E) none of the above 26) Provide a detailed, step-by-step mechanism for the reaction shown below. но Br2 na + HBT Br 27) Provide a detailed,...
8. For the reaction below dentify the nucleophile and the electro 9. The following reaction can be classified as a a) Addition b) rearrangement 10. Which of the following has the weakest bond between its atoms c) substitution d) Oxidation Brb ) Cic ) HBr d) HCI Short Answers: 11. A) Calculate the heat of the reaction given the bond dissociation energies. (5 pts) (CH),C-H + CI-CI → (CH3),c-ci + HCI 12. Give the structure of 3-Methylpentane (3 pts)
In Section 29-7, McQuarrie details the chain reaction between H2(g) and Br2(g). Consider the realted chain reaction H2(g) + Cl2(g) → 2HCl(g). The mechanism for this reaction is: Cl2(g) + Mg) = 2 Cl(g) +Mg) ki CI(g) + H2(g) → HCI(g) + H() k2 H(g) + Cl2(8) = HCI(g) + CI(8) k3 2Cl(g) + Mg) = Cl2(g) + Mg) ks (a) Use bond dissociation energies to explain why it is reasonable to exclude the analogous inhibition steps in this mechanism...
poease answer and explain all. thank you!
3. Acids and Bases. (15 pts) (a) Circle the weakest acid in each series shown below (9 pts). Series 1 HC CH2 Series 2 OH он OH Series 3 Cl ai pk, 9.38 pk, 10.2 (b) Draw the products of the following acid-base reaction (6 pts). CH3O reactants products 4. Use curved arrow to indieate the flow of electrons for the following elementary steps. Label each step with a proper name such as...
3) The reaction H2 + Cl2+ Br2 behavior: HCl + HBr + CIBr is shown to have the following rate Rate (M/s) H2] (M) [Cl2] (M) Br2] (M) 0.38 0.1 0.4 0.12 0.12 0.76 0.2 0.2 0.4 0.76 1.52 0.8 0.12 0.2 0.8 0.24 b) (15 points) What is the rate constant for the reaction? Use appropriate units. a) (15 points) What is the rate law for the reaction? WD/RE c) (30 points) Propose a mechanism for the reaction.
3) The reaction H2 + Cl2 + Br2 → HCI + HBr + CIBr is shown to have the following rate behavior: Rate (M/s) [H2] (M) [Cl] (M) [Br2] (M) 0.38 0.76 0.76 0.1 0.2 0.2 0.2 0.4 0.4 0.8 0.8 0.12 0.12 0.12 0.24 1.52 a) (15 points) What is the rate law for the reaction? b) (15 points) What is the rate constant for the reaction? Use appropriate units. c) (30 points) Propose a mechanism for the reaction.
Ho for the pre c! . Given the bond dissociation energies below in Kcal/mol, estimate the ano forth (CH),CH-CI step . CHCI c) 40 kcal/mol (CH.J.CH a) +22 kcal/mol b)-22 kcal/mol e) -45 kcal/mol he major monobrominated product that results from when methylcyclopentane is subjected d) +45 kcal/mol c) a tertiary halide radical bromination is b) a secondary halide e) bromomethane a) A primary halide d) A quaternary halide 3. Which of the following is a termination a) Cl +...
2CH4(g)→C2H6(g)+H2(g)
C2H6(g)+Cl2(g)→C2H5Cl(g)+HCl(g)
N2(g)+3H2(g)→2NH3(g)
Express your answer as a whole number and include the
appropriate units.
ΔHrxn∘=
Use the average bond dissociation energies in the table given below to calculate approximate reaction enthalpies in kilojoules for the following processes: TABLE. Average Bond Dissociation Energies, D (kJ/mol) Н - н 436а | С — н |410 N— H 390| О — F I-I 151a 180 Н- С |410 C 350 N- C |300|O C Cl S - F 200 310 H -F...
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...
Alkene reaction and mechanisms practice exercise
1) O₃ 2) (CH3)2S 25) Treatment of cyclopentene with peroxybenzoic acid A) results in oxidative cleavage of the ring to produce an acyclic compound B) yields a meso epoxide C) yields an equimolar mixture of enantiomeric epoxides D) gives the same product as treatment of cyclopentene with Os04 E) none of the above 26) Provide a detailed, step-by-step mechanism for the reaction shown below. но Br2 na + HBT Br 27) Provide a detailed,...
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