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Problems with carbonates

alext87
in Other Sciences

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When testing for the halide ions - chloride, bromine and iodide.

 

1. You place silver nitrate together with the substance you want to test.

 

Then you get if:

Chloride ions present: white solid

Bromide ions present: off-white solid

Iodide ions present: yellow solid

 

i know that if a carbonate is present it also forms a white solid so therefore you place any acid apart from hydrochloric acid so that the carbonate decomposes.

 

Are there anymore exceptions?

 

What makes some carbonates insouble and what makes most nitrates souble?

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