Use the table of bond dissociation energies to calculate and compare the enthalpy of monobromination and monochlorinationfor the given alkyl position.Bond Dissociation Energies (for A-B → A •+•B)Bond broken AH (kJ/mol) Bond broken436193243H-HBr-BrCl-ClHCH3CHCH3 + Br₂H-BrH-ClAH (kJ/mol)366432Br|CH3CHCH3 + HBrHCH, CHICHCH3CHCH3 + Cl₂ → CH3CHCH3 + HCIAH =AH =Bond broken(CH₂)₂CH-H(CH3)₂CH-Br(CH3)₂CH-ClAH (kJ/mol)413298355kJ/molkJ/mol

Bond dissociation energy - Bond dissociation energy (BDE) is the energy required to break a bond,…

for the given alkyl position. Bond Dissociation Energies (for A-BA + B) Bond broken AH (kJ/mol) Bond broken AH (kJ/mol) 436 366 193 432 243 H-H Br-Br Cl-Cl H T CH3CHCH3 + Br₂ H I CH3CHCH3 + Cl₂ H-Br H-Cl Br CH3CHCH3 + HBr pare the CI CH3CHCH3 + HCI ΔΗ = ΔΗ = alpy Bond broken (CH3)₂CH-H (CH3)₂CH-Br (CH,),CH–C1 AH (kJ/mol) 413 298 355 kJ/mol kJ/mol

for the given alkyl position. Bond Dissociation Energies (for A-BA + B) Bond broken AH (kJ/mol) Bond broken AH (kJ/mol) 436 366 193 432 243 H-H Br-Br Cl-Cl H T CH3CHCH3 + Br₂ H I CH3CHCH3 + Cl₂ H-Br H-Cl Br CH3CHCH3 + HBr pare the CI CH3CHCH3 + HCI ΔΗ = ΔΗ = alpy Bond broken (CH3)₂CH-H (CH3)₂CH-Br (CH,),CH–C1 AH (kJ/mol) 413 298 355 kJ/mol kJ/mol

Pushing Electrons

4th Edition

ISBN:9781133951889

Author:Weeks, Daniel P.

Publisher:Weeks, Daniel P.

Chapter3: Mechanisms

Section: Chapter Questions

Problem 16EQ

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Concept explainers

Alkanes and Cycloalkanes

Alkanes are saturated organic compounds which are made up of C and H atoms. Alkanes have the general formula of CnH2n+2. Alkane contains sp3 hybridized carbon atoms with four sigmas (σ) bonds & every hydrogen atom is connected with one of the carbon atoms. The size of the alkane could be determined by the number of carbon atoms located in it.

Question

Use the table of bond dissociation energies to calculate and compare the enthalpy of monobromination and monochlorination
for the given alkyl position.
Bond Dissociation Energies (for A-B → A •+•B)
Bond broken AH (kJ/mol) Bond broken
436
193
243
H-H
Br-Br
Cl-Cl
H
CH3CHCH3 + Br₂
H-Br
H-Cl
AH (kJ/mol)
366
432
Br
|
CH3CHCH3 + HBr
H
CH, CHICH
CH3CHCH3 + Cl₂ → CH3CHCH3 + HCI
AH =
AH =
Bond broken
(CH₂)₂CH-H
(CH3)₂CH-Br
(CH3)₂CH-Cl
AH (kJ/mol)
413
298
355
kJ/mol
kJ/mol

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