Solubility Rules for Common Ionic Compounds In Water

Question 1

Alkali Ions/ 1A elements

Answer 1

ALL SOLUBLE

Question 2

NO3- (nitrate)

Answer 2

ALL SOLUBLE

Question 3

C2H3O2- (acetate)

Answer 3

ALL SOLUBLE

Question 4

Cl-

Answer 4

all soluble except silver, lead and mercury (AgCl, PbCl2 , Hg2Cl2)

Question 5

Br-

Answer 5

all soluble except silver, lead and mercury (AgBr, PbBr2 , Hg2Br2)

Question 6

I-

Answer 6

all soluble except silver, lead and mercury (AgI, PbI2 , Hg2I2)

Question 7

SO4 2-

Answer 7

all soluble except silver, lead and mercury, barium, calcium and strontium (Ag2SO4, PbSO4 , Hg2SO4, BaSO4, CaSO4, SrSO4)

Question 8

S 2-

Answer 8

All insoluble, Soluble= 1A, 2A and ammonium (NH4+)

Question 9

CO3 2-

Answer 9

all insoluble, Soluble= 1A and ammonium (NH4+)

Question 10

PO4 3-

Answer 10

all insoluble, Soluble= 1A and ammonium (NH4+)

Question 11

OH 1-

Answer 11

all insoluble, Soluble= 1A and Barium, Calcium and Strontium

Question 12

CrO4 2-

Answer 12

all insoluble, Soluble= 1A and ammonium (NH4+)