Ions and radicals

what is the molecular formula of hydroxide ion?

• HSO₄^-

• HCO₃^-

• H^-

• OH^-

What is the molecular formula of sulphate ion?

• SCN^-

• S^--

• SO₄^--

• HSO₄^-

What is the valency of Aluminium?

• 1

• 2

• 3

• 4

What is the molecular formula of Nitrate ion?

• NO₃^-

• NO₂^-

• N^---

• CN^-

What is the molecular formula of Amide ion?

• NH₃

• NH₄⁺

• N^{- - -}

• NH₂^-

What is the molecular formula of Chlorate ion?

• ClO₂^-

• ClO₃^-

• Cl^-

• CO₃^--

What is the molecular formula of Bicarbonate ion?

• CO₃^--

• CO₂

• HCO₃^-

• HCO₃^--

What is the molecular formula of peroxide ion?

• O^--

• O₂^--

• O₃^--

• PO₄^---

What is the molecular formula of oxalate ion?

• C₂O₄^--

• MNO₄^-

• OCN^-

• CrO₄^--

What is the molecular formula of Stannic ion?

• Sn⁺⁺⁺

• Zn⁺⁺

• Sr⁺⁺

• Sn⁺⁺