Redox (rctn/prod) & Plyatm. ions

Question 1

Reduced in acid: MnO4-

Answer 1

Mn+2

Question 2

Reduced in acid: MnO2

Answer 2

Mn+2

Question 3

Reduced in base/neutral: MnO4-

Answer 3

MnO2

Question 4

Reduced in acid: CrO4-2

Answer 4

Cr+3

Question 5

Reduced: HNO3 (conc.)

Answer 5

NO2

Question 6

Reduced: HNO3 (dilut.)

Answer 6

NO

Question 7

Reduced: H2SO4 (hot/conc.)

Answer 7

H2O + SO2

Question 8

Reduced: Metal -ic ions (Fe+3, Cu+2, Hg+2…)

Answer 8

Metal -ous ions (Fe+2, Cu+1, Hg2+2…)

Question 9

Reduced: Free Halogens (F2, Cl2, Br2)

Answer 9

Halide ions (F-, Cl-, Br-)

Question 10

Reduced: HClO4

Answer 10

Cl-

Question 11

Reduced: H2O2

Answer 11

H2O

Question 12

Oxidized: Halide ions

Answer 12

Free Halogens (F2, Cl2, Br2…)

Question 13

Oxidized: Free Metals (Ag, Cu, Na)

Answer 13

Metal ions (Ag+, Cu+2, Na+)

Question 14

Oxidized: SO3-2 (aq) or SO2

Answer 14

SO4-2

Question 15

Oxidized: NO2-

Answer 15

NO3-

Question 16

Oxidized: Free Halogen (dilut. basic)

Answer 16

Hypohalite ions (ClO-, BrO-…)

Question 17

Oxidized: Free Halogen (conc. basic)

Answer 17

Halite ions (ClO2-, BrO2-…)

Question 18

Oxidized: Metal -ous ions (Fe+2, Cu+…)

Answer 18

Metal -ic ions (Fe+3, Cu+2)

Question 19

Oxidized: C2O4-2

Answer 19

CO2 or CO3-2

Question 20

Oxidized: H2O2

Answer 20

O2

Question 21

ClO-

Answer 21

Hypochlorite

Question 22

ClO2-

Answer 22

Chlorite

Question 23

ClO3-

Answer 23

Chlorate

Question 24

ClO4-

Answer 24

Perchlorate

Question 25

C2H3O2-

Answer 25

Acetate

Question 26

C2O4-2

Answer 26

Oxalate

Question 27

HCO3-

Answer 27

Bicarbonate (hyd. carb.)

Question 28

CrO4-2

Answer 28

Chromate

Question 29

Cr2O7-2

Answer 29

Dichromate

Question 30

O-2; O2-2

Answer 30

Oxide; Peroxide

Question 31

H+ ; H-

Answer 31

Hydrogen: Hydride

Question 32

OH-

Answer 32

Hydroxide

Question 33

HCOO-

Answer 33

Formate

Question 34

MnO4-

Answer 34

Permanganate

Question 35

NH4+

Answer 35

Ammonium

Question 36

NO2-

Answer 36

Nitrite

Question 37

NO3-

Answer 37

Nitrate

Question 38

PO3-3

Answer 38

Phosphite

Question 39

PO4-3

Answer 39

Phosphate

Question 40

SO3-2

Answer 40

Sulfite

Question 41

SO4-2

Answer 41

Sulfate

Question 42

HSO3-

Answer 42

Hydrogen Sulfite

Question 43

HPO4-2

Answer 43

Hydrogen Phosphate

Question 44

H2PO4-

Answer 44

Dihydrogen Phosphate

Question 45

S2O3-2

Answer 45

Thiosulfate

Question 46

Alkali Metals, NH4+

Answer 46

Soluble

Question 47

NO3-, C2H3O2-

Answer 47

Soluble

Question 48

Cl-, Br-, I-

Answer 48

Soluble; Ag+, Hg+2, Hg2+2, Pb+2

Question 49

SO4-2

Answer 49

Soluble; Ca+2, Sr+2, Ba+2, Ag+, Pb+2, Hg2+2

Question 50

CO3-2

Answer 50

Insoluble; alkali, NH4+

Question 51

PO4-3

Answer 51

Insoluble; alkali, NH4+

Question 52

S-2

Answer 52

Insoluble; alkali, NH4+

Question 53

OH-

Answer 53

Insoluble; alkali, NH4+, Ca+2, Sr+2, Ba+2

Question 54

Two types of double replacement rxns

Answer 54

Precipitation, Neutralization

Question 55

Three types of oxide rxns

Answer 55

Metal oxide reacts with water; Nonmetal oxide reacts with water; nonmetal and metal oxides combine

Question 56

Three non-redox decomp rxns

Answer 56

Decomp of OH-; decomp of SO3-2 or CO3-2; decomp of salt containing oxygen

Question 57

Three redox decomp rxns

Answer 57

Decomp of compound into its elements; decomp of peroxide; decomp of chlorates

Question 58

Redox combination rxn

Answer 58

synthesis of compound from elements

Question 59

Redox single replacement rxns

Answer 59

anion replacement; cation replacement

Question 60

Three Redox combustion rxns

Answer 60

combustion of element; combustion of hydrocarbon; combustion of neutral compound made of two nonmetals

Question 61

Three special redox

Answer 61

redox in basic soln; redox in acidic soln; same element oxidized and reduced

Question 62

product(s) of precipitation rxn

Answer 62

exchange of cations

Question 63

product(s) of neutralization rxn (acid+base)

Answer 63

salt + water

Question 64

product(s) of metal oxide rxt with water

Answer 64

Cation and OH-

Question 65

product(s) of nonmetal oxide rxt with water

Answer 65

Covalent polyatomic acid

Question 66

product(s) of metal and nonmetal oxide combination

Answer 66

a salt

Question 67

product(s) of XOH- decomp

Answer 67

metal oxide + water

Question 68

product(s) of XCO3-2 or XSO3-2 decomp

Answer 68

nonmetal oxide + water

Question 69

product(s) of decomp of a salt containing oxygen

Answer 69

metal oxide + nonmetal oxide

Question 70

product(s) of decomp of chlorates

Answer 70

salt + O2

Question 71

Product(s) of hydrocarbon combustion

Answer 71

H2O + CO2 + CO