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Chemistry Forums for Students => Inorganic Chemistry Forum => Topic started by: timchai on March 22, 2009, 07:34:51 AM

Title: can someone explain why AgNO3 stored in brown bottle
Post by: timchai on March 22, 2009, 07:34:51 AM

can someone explain why AgNO3 stored in brown bottle , i think it will photodecompose to give NO2 and O2 like HNO3. and also can someone explain the use disodium salt of edta

Title: Re: can someone explain why AgNO3 stored in brown bottle
Post by: BluRay on March 22, 2009, 08:14:41 AM

Quote from: timchai on March 22, 2009, 07:34:51 AM

can someone explain why AgNO3 stored in brown bottle , i think it will photodecompose to give NO2 and O2 like HNO3. and also can someone explain the use disodium salt of edta

Usually silver salts photodecompose giving metallic silver; in this case it should give Ag, NO₂ and O₂, as you wrote (but I'm not sure).
The use of EDTA is for what kind of reaction?