?

AP® Chemistry

Free Version

Upgrade subject to access all content

Moderate

Geometric Bond Enthalpy

APCHEM-EGLWJA

Using knowledge of relative bond length and atomic radius, which of the following compounds is predicted to have the lowest average bond enthalpy (enthalpy change for the breaking of a bond in one mole of a gaseous substance) in kJ/mol?

A

$H-F$

B

$H-Cl$

C

$H-Br$

D

$H-I$