WorksheetsLesson 21 Bellringer Types of Reactions Review
Total questions: 58
Worksheet time: 29mins
Zn → Zn+2 + 2e-
oxidation
reduction
Sn+2 → Sn+4 + 2e-
oxidation
reduction
Ag+1 + e- → Ago
oxidation
reduction
Pd → e- + Pd+
oxidation
reduction
Lio → e- + Li+1
oxidation
reduction
Cr+2 + 2e- → Cro
oxidation
reduction
S8 + 16e- → 8S-2
oxidation
reduction
O2 + 2e- → 2O-2
oxidation
reduction
F2 + 2e- → 2F-
oxidation
reduction
Fe → Fe+2 + 2e-
oxidation
reduction
N + 3e- → N-3
oxidation
reduction
Be+2 + 2e- → Beo
oxidation
reduction
2Hgo → 2e- + Hg2+2
oxidation
reduction
Na → Na+ + e-
oxidation
reduction
Will this reaction happen?
Fe + 2HCl → H2 + FeCl2
yes, this reaction will happen
no, this reaction will not happen
Will this reaction happen?
2Hg + CuCl2 → Cu + Hg2Cl2
yes, it will happen
no, it will not happen
Will this reaction happen?
Sn + PbSO4 → Pb + SnSO4
yes
no
Will this reaction happen?
Co + FeSO4 → Fe + CoSO4
yes
no
Will this reaction happen?
2Li + KNO3 → K + LiNO3
yes
no
Will this reaction happen?
Ni + CaCl2 → Ca + NiCl2
yes
no
Will this reaction happen?
2Na + CaSO4 → Ca + Na2SO4
yes
no
Will this reaction happen?
2Au + 2HCl → H2 + 2AuCl
yes
no
Will this reaction happen?
Ba + MgCl2 → Mg + BaCl2
yes
no
Will this reaction happen?
Cr + MnBr2 → Mn + CrBr2
yes
no
Will this reaction happen?
Co + H2SO4 → H2 + CoSO4
yes
no
Will this reaction happen?
Na + BaCl2 → Ba + 2NaCl
yes
no
Decide if each of the following scenarios represents oxidation or reduction.
Potassium ions gain electrons to become neutral atoms.
oxidation
reduction
Chlorine gas gains electrons to create chloride ions
oxidation
reduction
An aluminum atom loses 3 electrons and acquires a +3 charge
oxidation
reduction
The charge of a copper ion changes from a +1 to a +2 charge
oxidation
reduction
A barium atom donates two electrons to become Ba+2
oxidation
reduction
An uncharged atom of phosphorous gains a -3 charge
oxidation
reduction
Manganese ions change from a +1 charge to a +2 charge
oxidation
reduction
For each of the following chemical equations, determine which product is the precipitate using your solubility rules.
3CaI2 + 2Na3PO4 → Ca3(PO4)2 + 6NaI
Ca3(PO4)2
NaI
AgNO3 + LiCl → LiNO3 + AgCl
LiNO3
AgCl
MgI2 + Ca(OH)2 → CaI2 + Mg(OH)2
CaI2
Mg(OH)2
Hg2(NO3)2 + 2KCl → Hg2Cl2 + 2KNO3
Hg2Cl2
KNO3
K2SO4 + Pb(NO3)2 → PbSO4 + 2KNO3
PbSO4
2KNO3
SrCl2 + Li2CrO4 → 2LiCl + SrCrO4
2LiCl
SrCrO4
LiBr + AgNO3 → LiNO3 + AgBr
LiNO3
AgBr
BaCl2 + Na2Cr2O7 → BaCr2O7 + 2NaCl
BaCr2O7
2NaCl
Mg(CN)2 + Ca(OH)2 → Ca(CN)2 + Mg(OH)2
Ca(CN)2
Mg(OH)2
For each of the neutralization reactions shown below, write the products that would be expected.
HCl + Sr(OH)2 → ________ + ________
SrCl2 + H2O
HCl + Sr(OH)2
O2Cl + SrH2
(OH)2Cl + SrH
H2CO3 + KOH → ________ + ________
HCO3 + KOH2
F2
H2CO3 + KOH
K2CO3 + H2O
NaOH + HBr → ________ + ________
NaOH + HBr
NaBr + CO2
NaBr + H2O
H2Br +NaO
HF + Ca(OH)2→ ________ + ________
CaF2 + H2O
HF + Ca(OH)2
MgSO4 + H2O
CaH2 + F2O
Sr(OH)2 + H2SO4 → ________ + ________
H2O + CaCl2
SrH2 + (OH)2SO4
H20 + SrSO4
Au3
HNO3 + NH4OH → ________ + ________
H2O + NH4NO3
FeI3
OHNO3 + NH5
HNO3 + NH4OH
KOH + HC2H3O2 → ________ + ________
NaCl
H2O + KC2H3O2
HCl + KOC2H3O2
KOH + HC2H3O2
Ba(OH)2 + HClO3 → ________ + ________
HCl(OH)2 +BaO3
Ba(OH)2 + HClO3
H2O + Ba(ClO3)2
NaCl +H2O
Determine if the following reactions is a synthesis (syn) or a
decomposition (decomp) reaction.
Na2CO3 → Na2O + CO2
syn
decomp
2H2O2 → 2H2O + O2
syn
decomp
CuSO4 → CuO + SO3
syn
decomp
2HgO → 2Hg + O2
syn
decomp
2Na + Cl2 → 2NaCl
syn
decomp
2B + 3H2 → 2BH3
syn
decomp
I2 + K → KI
syn
decomp
4Al + 3O2 → 2Al2O3
syn
decomp
