Just one sec...
Hey! Sign in to get help with your study questionsNew here? Join for free to post

Test for ammonium ions!

Announcements Posted on
Help us uncover the truth about exam cheats – is cheating ever ok? What if you wouldn't get caught? 27-06-2016
    • Thread Starter
    Offline

    Without using indicators i thought that...

    You could react the solution supposidly containing ammonium ions with NaOH as that would form ammonia, and then react that with gaseous HCl to form a white smoke.

    Or does anyone know a simpler method?
    Any help appreciated.
    Offline

    ReputationRep:
    just test the ammonia gas given off using damp indicator paper. It is the only (common) alkaline gas..
    Offline

    ReputationRep:
    add a few drops of NaOH first to confirm no precipitate, then add NaOH in excess and either of the tests already suggested.
Updated: March 25, 2008
TSR Support Team

We have a brilliant team of more than 60 Support Team members looking after discussions on The Student Room, helping to make it a fun, safe and useful place to hang out.

Poll
Who will be the next England manager?

The Student Room, Get Revising and Marked by Teachers are trading names of The Student Room Group Ltd.

Register Number: 04666380 (England and Wales), VAT No. 806 8067 22

Registered Office: International House, Queens Road, Brighton, BN1 3XE

Quick reply
Reputation gems: You get these gems as you gain rep from other members for making good contributions and giving helpful advice.