solubility and oxidation rules

Question 1

salts containing ___ are soluble (aq), no exceptions

Answer 1

Na(+), K(+) ,NH4(+) ,NO3(-) ,ClO3(-) ,ClO4(-) ,CH3CO2(-)

Question 2

almost all salts of Cl(-), Br(-), and I(-) are soluble (aq), EXCEPT with

Answer 2

Ag(+), HG2 (2+), Pb(2+)
(s)

Question 3

almost all salts of F(-) are soluble except with

Answer 3

Mg(2+), Ca(2+), Sr(2+), Ba(2+), Pb(2+)
(s)

Question 4

almost all salts with SO4(2-) are soluble except with

Answer 4

Ca(2+), Sr(2+), Ba(2+), Pb(2+), Ag(+)
(s)

Question 5

Most salts of CO3(2-), PO4(3-), C2O4(2-), CrO4(2-), S(2-) are insoluble except with

Answer 5

NH4(+), alkali metal cations (group one), BaS
(aq)

Question 6

most metal hydroxides (OH-) and oxides (O{-2}) are insoluble (s) except with

Answer 6

Alkali meatal hydroxides, Ba(OH)2, Sr(OH)2
(aq)

Question 7

oxidation rule number one

Answer 7

atoms in their elemental form have oxidation state of zero
-ex) Fe, O2

Question 8

oxidation rule number two

Answer 8

a monatomic ion has the same oxidation state as its charge
-ex) Na+ would have a +1 charge

Question 9

oxidation rule number three

Answer 9

fluorine has a -1 oxidation state

Question 10

oxidation rules number four

Answer 10

oxygen has a -2 oxidation state
-exception H2O2 has a -1 charge

Question 11

oxidation rules number five

Answer 11

hydrogen has a +1 oxidation state

Question 12

oxidation rules number six

Answer 12

halogens other than Fluorine have a -1 oxidation state