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Topic: action about photography  (Read 2103 times)

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Offline RabID

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action about photography
« on: February 15, 2011, 04:40:31 AM »
hi pls i need help with reaction

AgBr2 + H2S2O3 ----> ?

I know that silver is Ag+(it's something along with photographs) but what next?
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Offline Nobby

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Re: action about photography
« Reply #1 on: February 15, 2011, 06:29:23 AM »
Ag has only +1 as Oxidationnumber. So it is:

AgBr + 2 S2O32- => [Ag(S2O3)2]3-
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