HW Problem 6.13

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HW Problem 6.13

Postby Ananta3G » Tue Dec 03, 2019 10:47 pm

Hi! Can someone help me with this question? I got the Lewis Structures. Thank you! 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: HW Problem 6.13

Postby nicolely2F » Wed Dec 04, 2019 2:45 am

a) All the bonds are single, so resonance isn't relevant.
b) Lewis acid. Just by following the table you see that the product of proton transfer is B(OH)4, which means B(OH)3 receives electrons and is thus a Lewis acid.

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