Problem: Identify the compound with the smallest percent ionic character.a. HFb. IBrc. HCld. LiF 

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FREE Expert Solution

↑ higher electronegativity difference → more ionic


 H–F

ΔEN = 2.2 – 4.0
ΔEN = 1.8

 I–Br

ΔEN = 2.5 – 2.8
ΔEN = 0.3

 H–Cl

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Problem Details

Identify the compound with the smallest percent ionic character.

a. HF

b. IBr

c. HCl

d. LiF 

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Based on our data, we think this problem is relevant for Professor Fletcher's class at UI.