Chemistry: Double Displacement Reaction! Quiz

1. C + H₂ à C₃H₆ is an example of double displacement.

True

False

The given reaction, C + H2 à C3H6, is not an example of double displacement. Double displacement reactions involve the exchange of ions or groups between two compounds, resulting in the formation of two new compounds. In this case, the reaction involves the combination of carbon (C) and hydrogen (H2) to form a single compound, C3H6. Therefore, the correct answer is false.

Explanation

The given reaction, C + H2 à C3H6, is not an example of double displacement. Double displacement reactions involve the exchange of ions or groups between two compounds, resulting in the formation of two new compounds. In this case, the reaction involves the combination of carbon (C) and hydrogen (H2) to form a single compound, C3H6. Therefore, the correct answer is false.

2. 2MgI₂ + Mn(SO₃)₂ --> MgSO₃ + MnI₄ is what type of reaction.

Double Displacement

Single Displacement

Synthesis

Decomposition

The given reaction involves the exchange of ions between two compounds, resulting in the formation of two new compounds. This type of reaction is known as a double displacement reaction. In this specific reaction, magnesium iodide (2MgI2) reacts with manganese(IV) sulfite (Mn(SO3)2) to form magnesium sulfite (MgSO3) and manganese tetraiodide (MnI4). The cations and anions have switched partners, leading to the formation of two new compounds.

Explanation

The given reaction involves the exchange of ions between two compounds, resulting in the formation of two new compounds. This type of reaction is known as a double displacement reaction. In this specific reaction, magnesium iodide (2MgI2) reacts with manganese(IV) sulfite (Mn(SO3)2) to form magnesium sulfite (MgSO3) and manganese tetraiodide (MnI4). The cations and anions have switched partners, leading to the formation of two new compounds.

3. MgCl₂ + LiCO₃ --> MgCO₃ + 2LiCl is an example of single displacement.

True

False

It is an example of double displacement.

Explanation

It is an example of double displacement.

4. 2RbNO₃ + BeF₂ -->: Be(NO₃)₂+RbF is an example of what type of reaction?

Single Displacement

Synthesis

Decomposition

Combustion

None of the above

This reaction is an example of a double displacement reaction. In this type of reaction, the cations and anions of two different compounds switch places to form two new compounds. In this case, the cations Rb+ and Be2+ switch places with the anions NO3- and F- to form the new compounds Be(NO3)2 and RbF.

Explanation

This reaction is an example of a double displacement reaction. In this type of reaction, the cations and anions of two different compounds switch places to form two new compounds. In this case, the cations Rb+ and Be2+ switch places with the anions NO3- and F- to form the new compounds Be(NO3)2 and RbF.

5. Na₃PO₃ 3KOH --> 3NaOH + K₃PO₄ is an example of _______ _______

The given chemical equation represents a reaction in which the compounds Na3PO3 and 3KOH react to form 3NaOH and K3PO4. This is an example of a double displacement reaction. In a double displacement reaction, the positive and negative ions of two compounds exchange places, resulting in the formation of two new compounds. In this case, the sodium ions from Na3PO3 combine with the hydroxide ions from KOH to form NaOH, while the potassium ions from KOH combine with the phosphate ions from Na3PO3 to form K3PO4.

Explanation

The given chemical equation represents a reaction in which the compounds Na3PO3 and 3KOH react to form 3NaOH and K3PO4. This is an example of a double displacement reaction. In a double displacement reaction, the positive and negative ions of two compounds exchange places, resulting in the formation of two new compounds. In this case, the sodium ions from Na3PO3 combine with the hydroxide ions from KOH to form NaOH, while the potassium ions from KOH combine with the phosphate ions from Na3PO3 to form K3PO4.

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