Bond Lengths

  • Thread starter elemis
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Why did you think that the larger atomic radius of iodine makes the bond length of HI smaller? Correct me if I'm wrong but it's pretty common sense that the larger the atomic radius, the longer the bond length. Besides, due to the smaller electronegativity of iodine, H-I bond is not as polar as H-Cl and therefore less electrostatic attraction due to partial charges is experienced by H and I, thus they are further apart, increasing the bond length.
 
  • #3
163
1
Why did you think that the larger atomic radius of iodine makes the bond length of HI smaller? Correct me if I'm wrong but it's pretty common sense that the larger the atomic radius, the longer the bond length. Besides, due to the smaller electronegativity of iodine, H-I bond is not as polar as H-Cl and therefore less electrostatic attraction due to partial charges is experienced by H and I, thus they are further apart, increasing the bond length.
I was exploring other avenues of thought ;)

Thanks for the explanation.
 

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