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Topic: Which oxide is more basic? Why  (Read 3142 times)

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Offline alexmahone

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Which oxide is more basic? Why
« on: July 11, 2012, 08:20:19 AM »
Titanium(III) oxide or Titanium(IV) oxide
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Offline Sophia7X

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Re: Which oxide is more basic? Why
« Reply #1 on: July 11, 2012, 10:42:10 AM »
I think it's titanium(IV) oxide because the more electropositive the middle atom is, the more basic the oxide is.
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Offline alexmahone

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Re: Which oxide is more basic? Why
« Reply #2 on: July 11, 2012, 11:35:22 AM »
Quote from: Sophia7X on July 11, 2012, 10:42:10 AM
I think it's titanium(IV) oxide because the more electropositive the middle atom is, the more basic the oxide is.

Actually, it's Titanium(III) oxide. Since the oxidation number is lower, it has more ionic character and consequently is more basic.
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Offline Sophia7X

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Re: Which oxide is more basic? Why
« Reply #3 on: July 11, 2012, 04:00:16 PM »
yes, that is true. Forgot to factor that in.
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Offline XGen

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Re: Which oxide is more basic? Why
« Reply #4 on: July 11, 2012, 09:52:34 PM »
Quick question, what are the reactions between TiO2/Ti2O3 and water?

aka what reactions evidence their alkalinity?
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