Polyatomic Ions: Practice Quiz

Ten questions pulled at random. Regenerate any time for a fresh set.

1. 1. Which of these is written correctly for sulfite?

   SO₄²⁻SO₃²⁻SO₃¹⁻S₃O²⁻

2. 2. ClO¹⁻ is named:

   HypochloritePerchlorateChlorateChlorite

3. 3. Permanganate is:

   Mn²⁺MnO₂MnO₄²⁻MnO₄¹⁻

4. 4. Which ion is NH₄¹⁺?

   NitrideAmideAmmoniumAmmonia

5. 5. The formula for hydroxide is:

   OH¹⁻HO₂¹⁻O²⁻H₂O

6. 6. Nitrite is:

   NO₂¹⁻N³⁻NO₃¹⁻NO₂²⁻

7. 7. Which formula is cyanide?

   ClO¹⁻CN¹⁻CO₃²⁻CH₃COO¹⁻

8. 8. Which polyatomic ion fizzes with acid to release CO₂?

   CarbonateChlorateHydroxideAcetate

9. 9. What is the formula and charge of sulfate?

   SO₄¹⁻SO₄²⁻S²⁻SO₃²⁻

10. 10. Hydrogen carbonate (bicarbonate) is:

    HCO₃¹⁻H₂CO₃HSO₄¹⁻CO₃²⁻