# Neutralization Reactions

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## Neutralization Reactions Answer Key

**Instructions:**
Answer the following questions, based on your knowledge of chemistry.

1.

What is produced when an acid reacts with a base?

- a base and water
- water and ethane
- salt and water
- water only

2.

Which of the following substances could be used to neutralize KOH?

- [math] CH_3 OH [/math]
- [math] CH_3 COOH [/math]
- [math] CH_4 [/math]
- [math] CH_3 COONa [/math]

3.

Which two reactants would form the salt [math] Na_3 PO_4 [/math]?

- [math] H_2 O and NaOH [/math]
- [math] H_3 PO_3 and NaOH [/math]
- [math] H_2 PO_4 and KOH [/math]
- [math] H_3 PO_4 and NaOH [/math]

4.

Hydrochloric acid, [math]HCl[/math], can be used to neutralize strontium hydroxide, [math] Sr(OH)_2 [/math]. What is the formula for the salt produced?

- [math]SrCl[/math]
- [math] SrCl_2 [/math]
- [math] H_3 OCl [/math]
- [math] SrCl_3 [/math]

5.

How do the concentrations of hydronium ions and hydroxide ions compare to one another, assuming that neutralization has occurred?

- They are equal in concentration.
- There is a higher concentration of hydronium ions.
- There is a higher concentration of hydroxide ions.
- Hydronium ions and hydroxide ions are not present in a neutralization reaction.

6.

When NaOH and [math] H_2 SO_4 [/math] react, which parts of each compound form water in the neutralization reaction?

- The hydrogen ion in the acid and an oxygen ion in the base
- The hydrogen ion in the acid and the metal in the base
- The hydrogen ion in the acid and the hydroxide ion in the base
- The hydroxide ion in the base and the nonmetals in the acid

7.

Which of the following compounds would NOT serve as a reactant in a neutralization reaction?

- [math] CH_3 OH [/math]
- [math] CH_3 COOH [/math]
- HCl
- [math] Ba(OH)_2 [/math]

8.

Which of the following represents a neutralization reaction?

- [math] NH_3 + HCl rarr NH_4 Cl [/math]
- [math] 2NO rarr N_2 + O_2 [/math]
- [math] NaOH + HCl rarr NaCl + H_2 O [/math]
- [math] Pb(NO_3)_2 + 2KCl rarr PbCl_2 + 2KNO_3 [/math]

9.

All neutralization reactions are double replacement reactions.

- True
- False

10.

Write the products of the neutralization reaction shown below:

[math] HNO_2 + Ca(OH)_2 rarr ? [/math]

[math] HNO_2 + Ca(OH)_2 rarr ? [/math]

- Award credit for the following answer:

• [math] Ca(NO_2)_2 + H_2 O [/math]

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