Identifying Ions for AQA A-level Chemistry REVISION

Outlining the test-tube reactions to identify ammonium ions, halide ions, hydroxide ions, carbonate ions and sulfate ions. As required for AQA A-level chemistry. Required Practical 4.
Ammonium Ions: 00:20
Halide Ions: 01:25
Carbonate Ions: 03:27
Sulfate Ions: 04:34
Revision Sheet Download:
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Please note - information given is a guide only and students should always refer to their specification, text books and teachers notes for up to date information when revising. No responsibility is accepted for any students' examination marks or grades when using this revision material.

[@yasminmohamed2674]

This is the best video on RUclips for ion tests. TYSM

[@chemistry.student]

Wow! Thank you :)

[@katheriner6456]

WHAT AN AMAZING SUMMARY

[@chemistry.student]

Thank you! Hope it was helpful :)

[@ifraniazi9214]

SOOO underrated! thanks so much for this!

[@chemistry.student]

Happy to help!

[@anasbenchekroun7090]

What about hydroxide you mentioned that you would be going over them in the introduction?

[@mastercodingguru1809]

At 1:18 he said the red litmus paper test can also be used to test for hydroxide ions

[@siphomamba-dv2ri]

So for white precipate formations is it only for aluminium, calcium and zinc

[@noétoyou]

i love you

[@XYZ-un7ct]

how about ammonia ions

[@chemistry.student]

Ammonia isn't ionic - it is a molecular substance (made up of NH3 molecules) - there are no ammonia ions. We can test for ammonia molecules however using damp, red litmus paper. Hope that helps :)