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wether hydochloric acid is covalent or ionic...?

wether hydochloric acid is covalent or ionic...?


1 Answers

suryakanth AskiitiansExpert-IITB
105 Points
11 years ago

Dear rahul,

ΔEN HCl = 3.16 - 2.20 = 0.94

where EN of H = 2.20 and EN of cl = 3.16

next.. by convention...the "rules" for labeling IONIC vs covalent are these...

if ΔEN ≤0.5, the compound is NON polar covalent
if 0.5 < ΔEN ≤ 1.5, the compound is POLAR covalent
if 1.5 < ΔEN ≤ 2.0 AND the compound contains NO metals, it is polar covalent
if 1.5 < ΔEN ≤ 2.0 AND the compound contains a metal, it is IONIC
if 2.0 < ΔEN, the compound is ionic

so HCl is a POLAR COVALENT molecule by definition.

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