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Topic: Copper (II) chloride and HCHO  (Read 4188 times)

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Offline DQD

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Copper (II) chloride and HCHO
« on: October 20, 2011, 10:04:22 AM »
sb plz help me the chemical equation of them

Copper (II) chloride and HCHO, them add NaOH
it'll create Cu2(OH)2 then heat it, the red precipitate will appear
but i dont know how to write it
plz help me
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Offline Dan

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Re: Copper (II) chloride and HCHO
« Reply #1 on: October 20, 2011, 12:38:25 PM »
Hint: This is a redox reaction. Copper(II) is reduced and formic acid is oxidised. Do you know (or can you suggest) what any of the products might be?
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Offline DevaDevil

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Re: Copper (II) chloride and HCHO
« Reply #2 on: October 20, 2011, 02:51:05 PM »
Quote from: Dan on October 20, 2011, 12:38:25 PM
Hint: This is a redox reaction. Copper(II) is reduced and formic acid is oxidised. Do you know (or can you suggest) what any of the products might be?

formaldehyde you mean?

HCHO?

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Offline Dan

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Re: Copper (II) chloride and HCHO
« Reply #3 on: October 20, 2011, 04:01:11 PM »
Yes, I mean formaldehyde... I've let a hint slip there...
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Offline DQD

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Re: Copper (II) chloride and HCHO
« Reply #4 on: October 21, 2011, 08:41:05 AM »
so
am i right ?
CuCl2 + HCHO + NaOH = Cu2(OH)2 + HCOONa + H2O + NaCl

??
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Offline DevaDevil

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Re: Copper (II) chloride and HCHO
« Reply #5 on: October 21, 2011, 11:09:42 AM »
it is not balanced yet...
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