lilipan6dre1ynaCur
lilipan6dre1ynaCur lilipan6dre1ynaCur
  • 14-08-2016
  • Chemistry
contestada

What is the oxidation number of B in H3BO3?

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Willchemistry
Willchemistry Willchemistry
  • 15-08-2016
H3BO3

H = +1
B = +3
O = -2
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Dejanras
Dejanras Dejanras
  • 24-09-2018

Answer is: oxidation number of boron in boric acid is +3.

Boric acid (H₃BO₃) has neutral charge.

Hydrogen (H) has oxidation number +1.

Oxygen (O) has oxidation number -2.

Calculate oxidation number of boron (B):

3 · (+1) + x + 3 · (-2) = 0.

x = -3 + 6.

x = +3; oxidation number of boron.

The oxidation number of an atom is the charge that atom would have if the compound was composed of ions.

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