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WorksheetsLT 4A.3 & 4A.4 Predicting chemical Reactions
Total questions: 22
Worksheet time: 11mins
If a synthesis reaction takes place between sodium & fluorine gas the chemical product would be _____.
NaF
NaF2
Na2F
Na + F2
If magnesium and hydrogen chloride underwent a single replacement reaction the products would be _____.
MgCl + H
MgCl2 + H
MgCl2 + H2
Mg2Cl + H2
A double replacement reaction between cobalt (III) chloride & lithium hydroxide will produce _______.
CoH3 + LiCl
Co(OH)3 + LiCl
Co3(OH) + LiCl
Co(OH) + LiCl2
Phosphoric acid (H3PO4) reacts with potassium hydroxide in a double replacement reaction to produce _____.
KPO4 + H2O
K3P + H2O
K3PO4 + H2O
K(PO4)3 + H2O
The result of the the synthesis of iron (III) & chloride would be _______.
Fe3Cl
FeCl
Fe2Cl3
FeCl3
If a single replacement reaction happened between bromine gas & sodium iodide the complete balanced equation would be _____.
Br2 + 2NaI --> I2 + 2NaBr
Br + NaI --> I + NaBr
Br2 + NaI --> I2 + NaBr
Br2 + NaI2 --> I2 + NaBr2
Which of the following equations would be the correct equations for the complete combustion of propanol (C3H7OH)?
C3H7OH + O2 --> CO2 + H2O
C3H7OH + 5O2 --> 3CO2 + 4H2O
2C3H7OH + 9O2 --> 6CO2 + 8H2O
C3H7OH --> 3CO2 + 4H2O
What would be the complete balanced equation for a double replacement reaction between aluminum sulfate & potassium hydroxide?
Al2S3 + 6KH --> 2AlH3 + 3K2S
Al2(SO4)3 + 6KOH --> 2Al(OH)3 + 3K2SO4
Al(SO4) + KOH --> Al(OH) + KSO4
Al3(SO4)2 + KOH --> Al3(OH) + K(SO4)2
What would be the complete balanced equation for the decomposition of lead (IV) oxide?
PbO2 --> Pb + O2
2PbO --> 2Pb + O2
PbO --> Pb + O
Pb2O4 --> 2Pb + 2O2
What are the products for the double replacement reaction of sodium carbonate & tin (II) nitrate?
Sn2CO3 + NaNO3
Sn2(CO3)2 + NaNO3
SnC2 + NaN
SnCO3 + NaNO3
Rubidium hydroxide reacts with phosphoric acid (H3PO4) in a double replacement reaction. Which answer is the correct equation for this reaction?
RbOH + 2H3PO4 --> RbPO4 + 3H2O
RbOH + H3PO4 --> RbPO4 + 2H2O
3RbOH + H3PO4 --> Rb3PO4 + 3H2O
Rb2O + 2H3PO4 --> Rb3PO4 + 3H2O
In the double replacement reaction between sulfuric acid (H2SO4) & barium chloride, use the solubility chart to identify the formula of a precipitate.
H2Cl2
BaSO4
HCl
No precipitate is formed
In a double replacement reaction between calcium chloride and lead (II) nitrate identify the formula for a precipitate.
Ca(NO3)2
CaPb
PbCl2
no precipitate formed
What would be the complete balanced equation for the decomposition of nitrogen trifluoride?
2NF3 --> N2 + 3F2
2N3F --> 3N2 + F2
N2F2 --> N2 + F2
NF3 --> N + 3F
What reactant is always present in a combustion reaction?
CO2
H2O
O2
all of these are correct
Which equation shows the complete decomposition of diphosphorus pentoxide?
P5O2 --> 5P + 2O
2P2O5 --> 2P2 + 5O2
4P + 5O2 --> P5O2
2P2O5 --> 4P + 5O2
What would be the complete balanced equation for the double replacement reaction between aluminum chloride & sodium chlorate?
AlCl3 + 3NaClO3 --> Al(ClO3)3 + 3NaCl
AlCl + NaClO3 --> Al(ClO3) + NaCl
AlCl3 + 3NaCl --> AlCl3 + 3NaCl
Al3Cl + NaClO3 --> Al3(ClO3) + NaCl
What is the complete equation for the decomposition of magnesium bromide?
MgBr --> Mg + Br
MgBr2 --> Mg + 2Br
2MgBr2 --> Mg2 + 2Br2
MgBr2 --> Mg + Br2
Would any precipitate form from the double replacement reaction between lead (II) nitrate & potassium iodide?
Yes...KNO3
Yes...KI
Yes...Pb(NO3)2
Yes...PbI2
What would the complete balanced equation be for the single replacement reaction between fluorine & hydrogen iodide?
F + HI --> I + HF
F2 + HI2 --> I2 + HF2
F2 + 2HI --> I2 + 2HF
F2 + HI --> I2 + HF
What would be the complete equation for the combustion of butene (C4H8)?
C4H8 + 6O2 --> 4CO2 + 4H2O
C4H8 --> 4CO2 + 4H2O
C4H8 + 4O2 --> 4CO2 + 4H2O
2C4H8 + 10O2 --> 8CO2 + 4H2O
Would any precipitate from from the double replacement reaction between calcium chloride & sodium phosphate?
no...they are all soluble.
yes...sodium chloride
yes...calcium phosphate
yes...sodium phospharte
