6.13 Homework

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Doreen Liu 4D
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6.13 Homework

Postby Doreen Liu 4D » Tue Dec 03, 2019 6:02 pm

Draw the Lewis structure of boric acid, B(OH)3. (a) Is resonance important for its description? (b) The proton transfer equilibrium for boric acid is given in a footnote to Table 6C.1. In that reaction does boric acid act as a Lewis acid, a Lewis base, or neither? Justify your answer by using Lewis structures of boric acid and its conjugate base.

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Re: 6.13 Homework

Postby nicolely2F » Wed Dec 04, 2019 2:35 am

a) Resonance isn't important. All bonds are single.
b) Lewis acid, because it accepts the anionic compound OH- from H2O. (This can be concluded from the table in the book; there it gives B(OH)4 as the product in proton transfer equilibrium).

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