Asked by PLEASE

What is the reagent responsible for the formation of H2S in the qualitative analysis of group II?

when the cations are separated into subgroups, what is the purpose of the potassium hydroxide,KOH?

14 years ago

Answered by DrBob222

I have no idea what your lab procedure is. You could be using H2S gas or you could be generating H2S <i>in situ</i> by using thioacetamide and heating the solution.

What do you thing the KOH does?

14 years ago

Answered by Sean

THanks for your help dr bob you're useless.

9 years ago

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