Solubility

Question 1

NO₃^-

Answer 1

All nitrates are soluble

Question 2

CH₃COO^- or C₂H₃O₂^-

Answer 2

All acetates are soluble, EXCEPT AgCH₃COO

Question 3

ClO₃-

Answer 3

All chlorates are soluble.

Question 4

Cl-

Answer 4

All chlorides are soluble EXCEPT AgCl, Hg₂Cl₂, PbCl₂

Question 5

Br-

Answer 5

All bromides are soluble EXCEPT AgBr, Hg₂Br₂, PbBr₂

Question 6

I-

Answer 6

All iodides are soluble EXCEPT AgI, Hg₂I₂, PbI₂

Question 7

SO₄^2-

Answer 7

All sulfates are soluble EXCEPT Ag₂SO₄, Hg₂SO₄, PbSO₄, CaSO₄, SrSO₄, and BaSO₄

Question 8

Akali Metal Cations (Group 1A) and NH⁴⁺

Answer 8

All are soluble

Question 9

H+

Answer 9

All common inorganic acids and low molecular mass organic acids are soluble.

Question 10

CO₃^2-

Answer 10

All carbonates are insoluble EXCEPT those of the Group 1A elements and NH⁴⁺

Question 11

CrO₄^2-

Answer 11

All chromates are insoluble except those of Group 1A elements, NH⁴⁺ ions, as CaCrO₄ and SrCrO₄

Question 12

OH-

Answer 12

All hydroxides are insoluble except those of the Group 1A elements, NH⁴⁺, Ba(OH)₂, Sr(OH)₂, and Ca(OH)₂

Question 13

PO₄^3-

Answer 13

All phosphates are insoluble except those of the Group 1A elements and NH⁴⁺

Question 14

SO₃^2-

Answer 14

All sulfites are insoluble except those with the Group 1A elements and NH⁴⁺

Question 15

S^2-

Answer 15

All sulfides are insoluble except those of the Group 1A and Group 2A elements