Which of the following polyatomic ions will NOT form an ionic compound with a single potassium ion? (5 points)

NO31−
NO21−
HCO31−
CO32−

4 answers

HCO31-?

ty. I think thats it too

lol np

The answer is carbonate. It forms K2CO3 and that isn't a single K ion.
The others form KNO3, KNO2, and KHCO3. All of those are single K ions.

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