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14 March, 03:48

Match the following reactions with the reaction type. You may use each type more than once.

1) 2HgO (s) → 2Hg (l) + O2 (g)

2) KCl (aq) + AgNO3 (aq) → AgCl (s) + KNO3 (aq)

3) 2Na (s) + H2 (g) → 2NaH (s)

4) Mg (OH) 2 (aq) + 2HNO2 (aq) → Mg (NO2) 2 (aq) + 2 H2O (l)

5) Ca (s) + 2AgNO3 (aq) → Ca (NO3) 2 (aq) + Ag (s)

6) Al2O3 (s) + H2SO4 (aq) → Al2 (SO4) 3 (aq) + H2O (l)

a) synthesis

b) decomposition

c) single replacement

d) double replacement

e) combustion

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Answers (1)
  1. 14 March, 04:26
    0
    1) Decomposition

    2) Double-replacement reaction

    3) synthesis

    4) Double-replacement reaction

    5) single-replacement reaction

    6) Double-replacement reaction

    Explanation:

    Step 1: Data given

    Synthesis: This is a reaction where two or more reactants will combine to form a new, single product. This is occurs when two or more reactants combine to form a single product. This can be shown with the following equation.

    A + B → C

    A and B are the reactants to form a new product C

    Decomposition: This is a reaction where 1 (more complex) compound will be broken down into 2 or more (more simple) products.

    This can be shown by the following equation:

    AB → A + B

    A single replacement: This is a reaction where one element wil be replaced by another element in the same compound. This can be shown by the following equation:

    A + BC → B + AC

    Here is the elemnt B in the compound BC, replaced by the element A, to form a new compound AC

    A double-replacement: This is a reaction where the positive and negative ions of two ionic compounds will be exchanged and 2 new compounds willbe formed. This can be shown by the following equation:

    AB+CD→AD+BC

    A combustion reaction requires oxygen gas (O2) to produce the products CO2 and H2O

    Step 2:

    1) 2HgO (s) → 2Hg (l) + O2 (g)

    ⇒ Decomposition

    2) KCl (aq) + AgNO3 (aq) → AgCl (s) + KNO3 (aq)

    ⇒ Double-replacement reaction

    3) 2Na (s) + H2 (g) → 2NaH (s)

    ⇒ synthesis

    4) Mg (OH) 2 (aq) + 2HNO2 (aq) → Mg (NO2) 2 (aq) + 2 H2O (l)

    ⇒ Double-replacement reaction

    5) Ca (s) + 2AgNO3 (aq) → Ca (NO3) 2 (aq) + Ag (s)

    ⇒ Single-replacement reaction

    6) Al2O3 (s) + H2SO4 (aq) → Al2 (SO4) 3 (aq) + H2O (l)

    ⇒ Double-replacement reaction
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