Chapter U4.21, Problem 8E

Interpretation Introduction

Interpretation: The combination of reactant that would result in a neutralization reaction with ${\text{NaNO}}_{\text{3}}$ as one of the product is to be predicted.

Concept introduction: When two different salts solution are mixed, a cation/anion pair in the resulting solution forms an insoluble salt; this insoluble salt is termed as precipitate and this type of reaction is termed as precipitation reaction.

Answer to Problem 8E

Correct option is B. The combination of ${\text{HNO}}_{\text{3}}$ and $\text{NaOH}$ would result in a neutralization reaction with ${\text{NaNO}}_{\text{3}}$ as one of the product.

Explanation of Solution

Reason for correct option:

The neutralization reaction is the reaction in which acid and base reacts to each other to form salt and water. The ${\text{HNO}}_{\text{3}}$ and $\text{NaOH}$ is strong acid and strong base respectively. The ${\text{HNO}}_{\text{3}}$ reacts with $\text{NaOH}$ to form ${\text{NaNO}}_{\text{3}}$ and water. The corresponding reaction is shown below.

  ${\text{HNO}}_{\text{3}}+\text{NaOH}\to {\text{NaNO}}_{\text{3}}+{\text{H}}_{\text{2}}\text{O}$

The combination of ${\text{HNO}}_{\text{3}}$ and $\text{NaOH}$ would result in a neutralization reaction with ${\text{NaNO}}_{\text{3}}$ as one of the product. Therefore, option (B) is the correct option.

Conclusion

Reason for incorrect option: The combination of $\text{Mg}{\left({\text{NO}}_{\text{3}}\right)}_2$ and $\text{NaOH}$ is salt and strong base respectively. Therefore, the combination of reactant, $\text{Mg}{\left({\text{NO}}_{\text{3}}\right)}_2$ and $\text{NaOH}$ , would not result in a neutralization reaction. Therefore, A is incorrect option.

The combination of ${\text{CH}}_{\text{3}}\text{OH}$ and $\text{NaOH}$ is acid and strong base respectively. Therefore, the combination of reactant, ${\text{CH}}_{\text{3}}\text{OH}$ and $\text{NaOH}$ , would result in a neutralization reaction but they will not form ${\text{NaNO}}_{\text{3}}$ as one of the product.. Therefore, C is incorrect option.

The combination of ${\text{HNO}}_{\text{3}}$ and $\text{NaCl}$ is acid and salt respectively. Therefore, the combination of reactant, ${\text{HNO}}_{\text{3}}$ and $\text{NaCl}$ , would not result in a neutralization reaction. Therefore, D is incorrect option.