Homework Answers
Hydrogen attached to multiple bonded carbon have high bond dissociation energy in comparison to hydrogen bonded to single bonded carbon. So, option (B) and (E) are not correct option.
Hydrogen attached to 1° carbon have higher bond energy than 2° carbon and hydrogen attached to 2° carbon have higher bond energy than 3° carbon. Option (c) have 2° carbon and option (d) have 1° carbon. Whereas option option (a) have 3° carbon.
So, option (c) with 3° carbon have lowest bond dissociation energy.
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6. Which of the indicated C-H bonds has the lowest bond dissociation energy? - CH₂ CHS...
Question 12 (4 points) Which of the indicated C-H bonds has the lowest homolytic bond dissociation...
Question 12 (4 points) Which of the indicated C-H bonds has the lowest homolytic bond dissociation energy? Hc. A. H HD B. H B O A D O U Previous Page Next Page Page 6 of 20
Lindlar's catalyst H- HC H-C-cEc-CHs h) HgSo, HC-HC-c c-H it + Н,о H,SO amu O HyCHC-cc-CH +H.O Н С k) 1. КОН HyC HC...
Lindlar's catalyst H- HC H-C-cEc-CHs h) HgSo, HC-HC-c c-H it + Н,о H,SO amu O HyCHC-cc-CH +H.O Н С k) 1. КОН HyC HC-CC CH hot KMnO 2. HC H,C HC CEC CHy cold KMnO
Lindlar's catalyst H- HC H-C-cEc-CHs h) HgSo, HC-HC-c c-H it + Н,о H,SO amu O HyCHC-cc-CH +H.O Н С k) 1. КОН HyC HC-CC CH hot KMnO 2. HC H,C HC CEC CHy cold KMnO
TABLE 6.1 BOND DISSOCIATION ENERGIES (A) OF COMMON BONDS KJ/MOL KCAL/MOL Bonds to H H2C=CH-CH2 HCC-CH,...
TABLE 6.1 BOND DISSOCIATION ENERGIES (A) OF COMMON BONDS KJ/MOL KCAL/MOL Bonds to H H2C=CH-CH2 HCC-CH, KJ/MOL KCAL/MOL 385 92 489117 HH 435 80 104 104 KJ/MOL KCAL/MOL 444 106 335 285 222 381 91 (CH3)2CH-F (CH) CH-CI (CH3)2CHBr (CH),CH (CH3)2CH-OH H-CH3 H-CH2CH3 HCH(CH3 H- CH3) 435 104 109 Bonds to methyl CH; CHEF CH3-C1 CH3-Br CH3 CH, OH CH I I 356 85 381 91 HC-c-X CHE (CH3)3C-H (CH3),C-F (CH),C-C1 (CH3)2C-Br (CH3), (CH)C-OH 381 444 331 106 111 464...
Assuming that the bond dissociation energy of the C-H bond is 550.0 kJ mol-1 (131.5 kcal...
Assuming that the bond dissociation energy of the C-H bond is 550.0 kJ mol-1 (131.5 kcal mol-1), use the stretching frequencies given below to calculate the bond dissociation energy of the C-H bond in RCH2-H. The IR stretching frequencies are given for the C-H bonds shown in green.
Question 6 0.5 pts The table below contains the bond dissociation energies for common bonds. 410...
Question 6 0.5 pts The table below contains the bond dissociation energies for common bonds. 410 Dissociation energy Bond (kJ/mol) |C-c 350 CNC 611 C-H 350 (c=0 799 0-0 180 O=O 498 460 C-O H-o Calculate the bond dissociation energy required for breaking all the bonds in a mole of water molecules, H20. Express your answer numerically, in terms of kJ/mol, and to three significant figures.
Ch 9 Q 39 Which is expected to have the largest carbom-oxygen bond dissociation energy? -HCOOH...
Ch
9 Q 39
Which is expected to have the largest carbom-oxygen bond
dissociation energy?
-HCOOH
-H2CO3
-CO2
-CO
9.106
Use the bond dissociation energies from the table provided to
calculate an approximate standard enthalpy in kilojoules for the
reaction of ethylene with hydrogen to yield ethane
Problem 9.106 Average Bond Dissociation Energies, D /mol) H-H 136 C-H410N - 390 0 F 1801-11 H-C 410 C-C 350 N-C 300 0-d 200 S-F 310 H-F 570 C-F 450 N-F 270 o-Br210...
1. Which of the following single bonds has the highest average bond dissociation enthalpy? (A) O-O...
1. Which of the following single bonds has the highest average bond dissociation enthalpy? (A) O-O (B) S-S (C) Se-Se (D) Te-Te 2. Which of the following group 14 hydride compounds has the highest E-H bond dissociation enthalpy? (A) Me3C-H (B) Me3Si-H (C) Me3Ge-H (D) Me3Sn-H
5. The correct designation of the bonds which links the CH to the CH, in CH=CH-CH,...
5. The correct designation of the bonds which links the CH to the CH, in CH=CH-CH, is: (a) sp'-sp' sigma (b) sp-sp' sigma (c) sp-sp' sigma, p-p pi (d) sp -sp.sigma, p-p pi (e) sp-sp'pi. p-p sigma (1) sp-sp' pi 6. Write the hybridization state (sp. sp', spl) beside each of the indicated atoms. ALL atoms and lone pair electrons are shown. D Η-ΝΗ H H HC . 0 + C- C " | Н Н 0. Е 7. State...
Of the following nitrogen bonds which one should have the highest bond dissociation energy? Group of...
Of the following nitrogen bonds which one should have the highest bond dissociation energy? Group of answer choices N=N N—N N—H N=N ( 3 bounds)
100 a) (10 pts) What are the vibrational wavenumbers and frequencies for the C-H bond and...
100 a) (10 pts) What are the vibrational wavenumbers and frequencies for the C-H bond and the CC bond? Transmittance Jimmy CEC CEC Alkyne 1,000 500 4,000 3,000 2,000 1,500 cm-1 b) (10 pts) Calculate the force constant of the CC bond. c) (10 pts) Can we use the reduced mass only to explain the difference in wavenumbers of the C-H and CC bonds? Support your answer by detailed calculations. d) Calculate the optical transition energy and wavelength of light...
Question 12 (4 points) Which of the indicated C-H bonds has the lowest homolytic bond dissociation energy? Hc. A. H HD B. H B O A D O U Previous Page Next Page Page 6 of 20
Lindlar's catalyst H- HC H-C-cEc-CHs h) HgSo, HC-HC-c c-H it + Н,о H,SO amu O HyCHC-cc-CH +H.O Н С k) 1. КОН HyC HC-CC CH hot KMnO 2. HC H,C HC CEC CHy cold KMnO
Lindlar's catalyst H- HC H-C-cEc-CHs h) HgSo, HC-HC-c c-H it + Н,о H,SO amu O HyCHC-cc-CH +H.O Н С k) 1. КОН HyC HC-CC CH hot KMnO 2. HC H,C HC CEC CHy cold KMnO
TABLE 6.1 BOND DISSOCIATION ENERGIES (A) OF COMMON BONDS KJ/MOL KCAL/MOL Bonds to H H2C=CH-CH2 HCC-CH, KJ/MOL KCAL/MOL 385 92 489117 HH 435 80 104 104 KJ/MOL KCAL/MOL 444 106 335 285 222 381 91 (CH3)2CH-F (CH) CH-CI (CH3)2CHBr (CH),CH (CH3)2CH-OH H-CH3 H-CH2CH3 HCH(CH3 H- CH3) 435 104 109 Bonds to methyl CH; CHEF CH3-C1 CH3-Br CH3 CH, OH CH I I 356 85 381 91 HC-c-X CHE (CH3)3C-H (CH3),C-F (CH),C-C1 (CH3)2C-Br (CH3), (CH)C-OH 381 444 331 106 111 464...
Assuming that the bond dissociation energy of the C-H bond is 550.0 kJ mol-1 (131.5 kcal mol-1), use the stretching frequencies given below to calculate the bond dissociation energy of the C-H bond in RCH2-H. The IR stretching frequencies are given for the C-H bonds shown in green.
Question 6 0.5 pts The table below contains the bond dissociation energies for common bonds. 410 Dissociation energy Bond (kJ/mol) |C-c 350 CNC 611 C-H 350 (c=0 799 0-0 180 O=O 498 460 C-O H-o Calculate the bond dissociation energy required for breaking all the bonds in a mole of water molecules, H20. Express your answer numerically, in terms of kJ/mol, and to three significant figures.
Ch
9 Q 39
Which is expected to have the largest carbom-oxygen bond
dissociation energy?
-HCOOH
-H2CO3
-CO2
-CO
9.106
Use the bond dissociation energies from the table provided to
calculate an approximate standard enthalpy in kilojoules for the
reaction of ethylene with hydrogen to yield ethane
Problem 9.106 Average Bond Dissociation Energies, D /mol) H-H 136 C-H410N - 390 0 F 1801-11 H-C 410 C-C 350 N-C 300 0-d 200 S-F 310 H-F 570 C-F 450 N-F 270 o-Br210...
5. The correct designation of the bonds which links the CH to the CH, in CH=CH-CH, is: (a) sp'-sp' sigma (b) sp-sp' sigma (c) sp-sp' sigma, p-p pi (d) sp -sp.sigma, p-p pi (e) sp-sp'pi. p-p sigma (1) sp-sp' pi 6. Write the hybridization state (sp. sp', spl) beside each of the indicated atoms. ALL atoms and lone pair electrons are shown. D Η-ΝΗ H H HC . 0 + C- C " | Н Н 0. Е 7. State...
100 a) (10 pts) What are the vibrational wavenumbers and frequencies for the C-H bond and the CC bond? Transmittance Jimmy CEC CEC Alkyne 1,000 500 4,000 3,000 2,000 1,500 cm-1 b) (10 pts) Calculate the force constant of the CC bond. c) (10 pts) Can we use the reduced mass only to explain the difference in wavenumbers of the C-H and CC bonds? Support your answer by detailed calculations. d) Calculate the optical transition energy and wavelength of light...
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