WorksheetsChem: 20% Formative:- Syn/ Decomp/ SR lab
Total questions: 25
Worksheet time: 15mins
Check box all the products (IN WORDS) for Tin + Hydrochloric acid --> (Hint: use ion Sn+2)
Hydrogen
Tin (II) Chloride
No Reaction
Tin Chloride
Tin (II) Chlorate
Check box all the products (IN WORDS) for Manganese + Nickel (II) Chloride --> (Hint: Use ion Mn +4)
Nickel
Manganese (IV) Chloride
No Reaction
Manganese
Nickel (II) Chloride
What are the products for _Sn+2 + HCl -->
H2 + SnCl2
H + SnCl2
H2 + Sn2Cl2
SnH2 + Cl2
If magnesium reacts with hydrochloric acid, will the reaction occur and why/ why not?
Yes, the reaction will occur and one of the products is the element hydrogen
Yes, the reaction will occur and one of the products is the element chloride
No, the reaction will not occur
Yes, the reaction will occur and one of the products is the element magnesium
Why can't NaMg be produced when Na reacts with MgCl2?
Because Na and Mg have different charges
Because MgCl2 is a compound that cannot be broken down
Because Na and Mg are both metals
Because NaMg is a noble gas
Are NaCl and Mg the only products that can be produced from the reaction between Na and MgCl2? Why or why not?
Yes, because Na can displace Mg from MgCl2 and form NaCl
No, because other products can be formed in a complex reaction
Yes, because Na and MgCl2 can only form two products
No, because Na can also react with other elements present in the reaction mixture
Explain how a synthesis, decomposition, and single displacement reaction all differ.
Synthesis involves two or more substances combining, decomposition involves a single compound breaking down, and single displacement involves one element replacing another in a compound
Synthesis involves breaking down a compound, decomposition involves combining elements, and single displacement involves two compounds reacting
Synthesis, decomposition, and single displacement are all the same type of reaction
Synthesis involves one element replacing another, decomposition involves two substances combining, and single displacement involves a compound breaking down
Determine the balanced equation for the chemical equation of Manganese + Iron (III) Chloride --> (Hint: Manganese will be +4 ion)
3Mn + 4FeCl3 --> 4Fe + 3MnCl4
3Mn + 4FeCl3 --> 2Fe + 4MnCl4
2Mn + 4FeCl3 --> 4Fe + 2MnCl2
No Reaction
4Mn + 3FeCl3 --> 4Fe + 4MnCl4
Which of the following elements can be replaced by copper? (CHECK BOX ALL THAT APPLY)
Zinc
Hydrogen
Silver
Bromine
Gold
What is the proper balanced equation for when Tin reacts with Hydrochloric acid? (Hint: Tin will be used as a +2 ion)
2 Sn + 2HCl --> 2 H2 + 1 SnCl2
1 Sn + 2HCl --> 1 H2 + 1 SnCl2
1 Sn + 2HCl --> 2 H + 1 SnCl2
2 Sn + 2HCl --> 1 H + 2 SnCl2
Which answer below is the proper chemical equation for aluminum chlorate -->
2Al(ClO3)3 → 2AlCl3 + 18 O
2Al(ClO3)3 → 2AlCl3 + 9O2
2Al(ClO3)3 → 1 AlCl2 + 9 O
2Al(ClO3)3 → 2AlCl3 + 5 O2
Write the name of this product for (spelling counts) fluorine + silver -->
(a)
CHECK BOX ALL OF THE FOLLOWING that are correct statements about the reaction of
Tin (IV) Chlorate →
Decomposition reaction
Products are tin (IV) chloride + oxygen
Products are tin chloride + oxygen
Synthesis reaction
Products are tin + chlorate
What is the balanced chemical equation for when sodium reacts with bromine →
2 Na + Br2 --> 2 NaBr
Na + Br --> NaBr
4 Na + 2 Br2 --> 2 Na2Br2
2 Na + 2 Br2 --> 2 NaBr
All of the following are indicators of a chemical reaction except one. Which one is NOT an indicator that a chemical reaction has taken place?
the production of heat or light
a permanent color change
the production of gas bubbles
the dissolving of one substance in another
an odor change
Which of the following is a decomposition reaction?
HCl + NaOH → NaCl + H2O
2H2O → 2H2 + O2
Mg + O2 → MgO
Fe + CuSO4 → FeSO4 + Cu
Which reaction is an example of a synthesis reaction?
2Na + Cl2 → 2NaCl
CaCO3 → CaO + CO2
Zn + HCl → ZnCl2 + H2
NaOH + HCl → NaCl + H2O
Which process is an example of a chemical reaction?
Freezing water
Cutting paper
Burning propane
Dissolving salt in water
CHECK BOX ALL the products (in a balanced equation) that would be produced from the decomposition of 2KClO3 →
2KCl2
2KCl
1ClO3
3O2
What is a possible product in the reaction Zn + H2SO4 →
Zinc
Sulfate
Hydrogen
No Reaction
CHECK BOX ALL THE CORRECT STATEMENTS for when Iron reacts with oxygen to form Iron (III) Oxide.
This is a synthesis reaction
Iron (III) Oxide is a product
This is a decomposition reaction
Iron (III) Oxide is a reactant
What is the correct balanced chemical equation for the reaction when Iron reacts with oxygen to form Iron (III) Oxide?
4Fe + 3O2→ 2Fe2O3
4Fe + 3O → 2Fe2O3
2Fe + 3O2→ 2Fe2O3
4Fe → 3O2 + 2Fe2O3
CHECK box all the correct answers for the reaction
NaClO3 -->
chlorate is a reactant
sodium chloride will be a product
oxygen will be a product
chlorate will be a product
chloride is a reactant
Which of the following would be the correct products of the following reaction:
lead +4 + hydrochloric acid →
hydrogen + lead (II) chloride
hydrogen + lead chloride
hydrogen + lead (IV) chloride
no reaction
