Hey there Sign in to join this conversationNew here? Join for free

Test for ammonium ions!

Announcements Posted on
Study Help needs new mods! 14-04-2014
Post on TSR and win a prize! Find out more... 10-04-2014
    • Thread Starter
    • 0 followers
    Offline

    ReputationRep:
    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.
    • 19 followers
    Offline

    ReputationRep:
    just test the ammonia gas given off using damp indicator paper. It is the only (common) alkaline gas..
    • 0 followers
    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
Article updates
Reputation gems:
You get these gems as you gain rep from other members for making good contributions and giving helpful advice.