The Student Room Group

ocr a pag 4.3 unknown 3

hi there for pag 4.3 i know we have to make our own method. to identify the solutions. but i am not sure on how to initally idenitfy them when i know none. i undertsnad how to do it once ik the ideities of HNO3 and AgNO3 but i am not sure on how to do it initally. any help would be appreicated
Reply 1
hi there for pag 4.3 i know we have to make our own method. to identify the solutions. but i am not sure on how to initally idenitfy them when i know none. i undertsnad how to do it once ik the ideities of HNO3 and AgNO3 but i am not sure on how to do it initally. any help would be appreicated

The trick to it all, a reaction that the spec. doesn't mention, is that silver ions react with carbonate ions giving a precipitate (and not one like any other).
Reply 2
Original post by Pigster
The trick to it all, a reaction that the spec. doesn't mention, is that silver ions react with carbonate ions giving a precipitate (and not one like any other).

Ohh okk I see so what would u recommend for the first step

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