danielbaez360
Answered

Westonci.ca offers fast, accurate answers to your questions. Join our community and get the insights you need now. Discover in-depth solutions to your questions from a wide range of experts on our user-friendly Q&A platform. Discover detailed answers to your questions from a wide network of experts on our comprehensive Q&A platform.

Which of the following reactions is a neutralization reaction?

A. [tex]2 \text{NaOH (aq)} + \text{MgCl}_2 \text{(aq)} \rightarrow \text{Mg(OH)}_2 \text{(s)} + 2 \text{Na}^{+} \text{(aq)} + 2 \text{Cl}^{-} \text{(aq)}[/tex]

B. [tex]\text{HNO}_3 \text{(aq)} + \text{LiOH (aq)} \rightarrow \text{H}_2\text{O (l)} + \text{LiNO}_3 \text{(aq)}[/tex]

C. [tex]4 \text{Fe (s)} + 3 \text{O}_2 \text{(g)} \rightarrow 2 \text{Fe}_2\text{O}_3 \text{(s)}[/tex]

D. [tex]\text{ZnCl}_2 \text{(aq)} + \text{CaCrO}_4 \text{(aq)} \rightarrow \text{ZnCrO}_4 \text{(s)} + \text{CaCl}_2 \text{(aq)}[/tex]

Sagot :

GinnyAnswer
To determine which reaction is a neutralization reaction, we need to identify the characteristics of a neutralization reaction. A neutralization reaction generally occurs between an acid and a base to produce a salt and water.

Let's analyze each option in detail:

### Option A
[tex]\[ 2\ NaOH\ (aq) + MgCl_2\ (aq) \rightarrow Mg(OH)_2\ (s) + 2\ Na^+\ (aq) + 2\ Cl^-\ (aq) \][/tex]
This reaction is a double displacement reaction between sodium hydroxide (a base) and magnesium chloride (a salt), resulting in magnesium hydroxide (a precipitate) and sodium and chloride ions in solution. It is not a neutralization reaction since it does not produce water and a salt.

### Option B
[tex]\[ HNO_3\ (aq) + LiOH\ (aq) \rightarrow H_2O\ (l) + LiNO_3\ (aq) \][/tex]
This reaction involves nitric acid (HNO_3) and lithium hydroxide (LiOH). Here, the acid (HNO_3) reacts with the base (LiOH) to produce water (H_2O) and a salt (LiNO_3). This fits the definition of a neutralization reaction perfectly.

### Option C
[tex]\[ 4\ Fe\ (s) + 3\ O_2\ (g) \rightarrow 2\ Fe_2O_3\ (s) \][/tex]
This reaction is a synthesis reaction where iron combines with oxygen to form iron(III) oxide. It does not involve an acid and a base and does not produce water, so it is not a neutralization reaction.

### Option D
[tex]\[ ZnCl_2\ (aq) + CaCrO_4\ (aq) \rightarrow ZnCrO_4\ (s) + CaCl_2\ (aq) \][/tex]
This reaction is another example of a double displacement reaction, resulting in the formation of zinc chromate (a precipitate) and calcium chloride in solution. It is not a neutralization reaction because it does not involve an acid and a base producing water and a salt.

Therefore, the reaction that is a neutralization reaction is:
[tex]\[ \text{Option B: } HNO_3\ (aq) + LiOH\ (aq) \rightarrow H_2O\ (l) + LiNO_3\ (aq) \][/tex]
We hope you found this helpful. Feel free to come back anytime for more accurate answers and updated information. We appreciate your visit. Our platform is always here to offer accurate and reliable answers. Return anytime. We're glad you visited Westonci.ca. Return anytime for updated answers from our knowledgeable team.