Of the molecules sicl4 and sii4, which has bonds that are more polar?

Question

Chemistry

Mitchell Wilkerson

30 July, 08:29

Of the molecules sicl4 and sii4, which has bonds that are more polar?

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Kadyn Drake · Answer 1

The bonds in the SiCl₄ molecules will be more polar.

The polarity of bonds within a molecule depends on the difference in electronegativity of the atoms that are involved in the bond. Chlorine is a more electronegative atom than iodine. Therefore, the electrons in the Si-Cl bond will be more concentrated near the Cl, creating polarity in the bond. Iodine is not as electronegative, so it will not result in a very polarized Si-I bond