Solubility rules

Question 1

NO₃^-

Answer 1

Soluble

Exceptions: none

Question 2

CH₃COO^-

Answer 2

Soluble

Exceptions: none

Question 3

Cl^-

Answer 3

Soluble

Exceptions: Compounds of Ag⁺, Hg²⁺, and Pb²⁺

Question 4

Br^-

Answer 4

Soluble

Exceptions: Compounds of Ag⁺, Hg₂²⁺, and Pb²⁺

Question 5

I^-

Answer 5

Soluble

Exceptions: Compounds of Ag⁺, Hg₂²⁺, and Pb²⁺

Question 6

SO₄^2-

Answer 6

Soluble

Exceptions: Compounds of Sr²⁺, Ba²⁺, Hg₂²⁺, and Pb²⁺

Question 7

S^2-

Answer 7

Insoluble

Exceptions: Compounds of NH₄⁺, the alkali metal cations, Ca²⁺, Sr²⁺, and Ba²⁺

Question 8

CO₃^2-

Answer 8

Insoluble

Exceptions: Compounds of NH₄⁺ and the alkali metals cations

Question 9

PO₄^3-

Answer 9

Insoluble

Exceptions: Compounds of NH4+ and the alkali metals cations

Question 10

OH^-

Answer 10

Insoluble

Exceptions: Compounds of NH4+, the alkali metals cations, Ca²⁺, Sr²⁺, Ba²⁺