Question

Classify each of these reactions. A single reaction may fit more than one classification. Ba ( ClO 3 ) 2 ⟶ BaCl 2 + 3 O 2 Ba(ClO3)2⟶BaCl2+3O2 double‑displacement (a.k.a. exchange or metathesis) combination (synthesis) displacement decomposition redox NaNO 2 + HCl ⟶ NaCl + HNO 2 NaNO2+HCl⟶NaCl+HNO2 decomposition displacement combination (synthesis) redox double‑displacement (a.k.a. exchange or metathesis) CaO + CO 2 ⟶ CaCO 3 CaO+CO2⟶CaCO3 double‑displacement (a.k.a. exchange or metathesis) displacement decomposition redox combination (synthesis) ZnSO 4 + Mg ⟶ Zn + MgSO 4 ZnSO4+Mg⟶Zn+MgSO4 double‑displacement (a.k.a. exchange or metathesis) displacement decomposition combination (synthesis) redox

Answer 1

Ba(ClO₃)₂ → BaCl₂ + 3 O₂ Descomposition.

CaO + CO₂ → CaCO₃ Combination.

NaNO₂ + HCl → NaCl + HNO₂ Double replacement.

Mg + ZnSO₄ → MgSO₄ + Zn Single replacement.

Step-by-step explanation:

A combination reaction is defined as a reaction in which two or more substances combine to form a single new substance.

A + B → AB

A descomposition reaction is defined as a reaction in which a compound breaks down into two or more simpler substances.

AB → A + B

A double replacement is a chemical reaction were the positive and negative ions of two ionic compounds exchange places to form two new compounds.

AB + CD → AD + CB

A single replacement is another type of reaction were one element replaces a similar element in a compound.

A + BC → AC + B

Answer 2

Answer: a)
`Ba(ClO_3)_2\rightarrow BaCl_2+3O_2`: Decomposition

b)
`NaNO_2+HCl\rightarrow NaCl+HNO_2`: double displacement

c)
`CaO+CO_2\rightarrow CaCO_3`: Synthesis (Combination)

d)
`ZnSO_4+Mg\rightarrow MgSO_4+Zn`: redox

Step-by-step explanation:

Decomposition is a type of chemical reaction in which one reactant gives two or more than two products.

`Ba(ClO_3)_2\rightarrow BaCl_2+3O_2`

A double displacement reaction is one in which exchange of ions take place.

`NaNO_2+HCl\rightarrow NaCl+HNO_2`

Synthesis reaction is a chemical reaction in which two reactants are combining to form one product.

`CaO+CO_2\rightarrow CaCO_3`

Redox reaction is a type of chemical reaction in which oxidation and reduction takes place in one single reaction. The oxidation number of one element increases and the oxidation number of other element decreases.

`ZnSO_4+Mg\rightarrow MgSO_4+Zn`