Chemistry Practice Problems Bond Energy Practice Problems Solution: Consider the halogenation of ethene, where X is a ...

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Solution: Consider the halogenation of ethene, where X is a generic halogen: H2C=CH2(g) + X2(g) → H2CX-H2CX(g)Use bond energies to determine which halogen produces the most exothermic halogenation reaction with ethene.BondBond Energy ( m kJ/mol)H-C414C-C347C=C611C-F552C-Cl339C-Br280C-I209F-F159Cl-Cl243Br-Br193I-I151

Problem

Consider the halogenation of ethene, where X is a generic halogen: H2C=CH2(g) + X2(g) → H2CX-H2CX(g)
Use bond energies to determine which halogen produces the most exothermic halogenation reaction with ethene.

BondBond Energy ( m kJ/mol)
H-C414
C-C347
C=C611
C-F552
C-Cl339
C-Br280
C-I209
F-F159
Cl-Cl243
Br-Br193
I-I151