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Topic: 2 questions about barium peroxide  (Read 3330 times)

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Offline edward-elric

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2 questions about barium peroxide
« on: December 22, 2014, 03:53:16 PM »
Hello!!,
I have a doubt with the synthesis of peroxide barium, I see that you need (for example): BaCl2 + H2O2, but everyone do it with a solution that contains also NH3, why?
This is my question, why you need NH3 to synthesise BaO2?

my other question is: why a solution of BaO2 with H2O is basic?

Offline Hunter2

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Re: 2 questions about barium peroxide
« Reply #1 on: December 22, 2014, 06:27:29 PM »
First question: If you add only barium chloride and hydrogenperoxide, what are the results. Develop the equation. What will the ammonia do if you add it?

Second question: What is the general behaviour of Oxides of the elements of the second group, if dissolved in water.



Offline edward-elric

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Re: 2 questions about barium peroxide
« Reply #2 on: December 23, 2014, 07:10:22 AM »
First:
BaCl2 + H2O2 = 2HCl + BaO2
If you add ammonia, it neutralize hydrochloric acid doing ammonium. But, because they neutralize the medium, for what?

Second:
general behaviour: BaO + H2O = Ba(OH)2
BaO2 + H2O = Ba(OH)2 (but this isn't ajusted)


Edited by edward-elric  to fix subscript notation

« Last Edit: December 23, 2014, 07:56:52 AM by billnotgatez »

Offline billnotgatez

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Re: 2 questions about barium peroxide
« Reply #3 on: December 23, 2014, 07:28:34 AM »
« Last Edit: December 23, 2014, 07:41:38 AM by billnotgatez »

Offline edward-elric

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Re: 2 questions about barium peroxide
« Reply #4 on: December 23, 2014, 07:52:36 AM »
sorry I had not realized  :-[

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