Solubility Rules

Question 1

compounds of group 1 elements (Li+, Na+, K+, Rb+, Cs+, Fr+)

Answer 1

soluble

Question 2

ammonium (NH4+)

Answer 2

soluble

Question 3

nitrates (NO3-)

Answer 3

soluble

Question 4

chlorates (ClO3-)

Answer 4

soluble

Question 5

perchlorates (ClO4-)

Answer 5

soluble

Question 6

acetates (C2H3O2-)

Answer 6

soluble

Question 7

chlorides (Cl-)

Answer 7

soluble, with exception of silver (Ag+), mercury (Hg2 2+), lead (Pb2+)

Question 8

bromides (Br-)

Answer 8

soluble, with exception of silver (Ag+), mercury (Hg2 2+), lead (Pb2+)

Question 9

iodides (I-)

Answer 9

soluble, with exception of silver (Ag+), mercury (Hg2 2+), lead (Pb2+)

Question 10

carbonates (CO3 2-)

Answer 10

insoluble, with exception of group 1

Question 11

chromates (CrO4 2-)

Answer 11

insoluble, with exception of group 1

Question 12

phosphates (PO4 3-)

Answer 12

insoluble, with exception of group 1

Question 13

sulfites (SO3 2-)

Answer 13

insoluble, with exception of group 1

Question 14

hydroxides (OH-)

Answer 14

insoluble, with exception of group 1 and barium ion (Ba2+)

Question 15

sulfides (S2-)

Answer 15

insoluble, with exception of group 1 and barium ion (Ba2+)

Question 16

silver (Ag+), mercury (Hg2 2+), lead (Pb2+)

Answer 16

insoluble, with exception of group 1 and nitrates, chlorates, perchlorates, and acetates

Question 17

sulfates (SO4 2-)

Answer 17

soluble, with exception of calcium (Ca2+), strontium (Sr2+), barium (Ba2+), silver (Ag+), mercury (Hg2 2+), lead (Pb2+)