This explores a range of qualitative tests that can be conducted in a school laboratory to identify anions.
Inquiry question: How are the ions present in the environment identified and measured?
conduct qualitative investigations – using flame tests, precipitation and complexation reactions as appropriate – to test for the presence in aqueous solution of the following ions:
anions: chloride (Cl–), bromide (Br–), iodide (I–), hydroxide (OH–), acetate (CH3COO–), carbonate (CO32–), sulfate (SO42–), phosphate (PO43–)
What tests can be conducted to identify anions? What precipitation tests are there for anions? How to identify halide ions? How to identify acetate ion? How to identify sulfate ion? How to identify phosphate ion? How to identify carbonate ion?
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