Free Printable Acid-Base Reactions (4.6-4.8)

1.

What is the endpoint of a titration

a)

Where the amount of acid and base are balanced according to the equation

b)

Where there is no base

c)

At the end

2.

Identify the products of the chemical equation
3 LiOH + H₃PO₄ →

a)

Li₃PO₄ + 3 H₂O

b)

LiPO₄ + 3 H₂O

c)

Li(PO₄)₃ + 3 H₂O

d)

BOY + La + N₂

3.

If it takes 54 mL of 0.1 M NaOH to neutralize 125 mL of an HCl solution, what is the concentration of the HCl? (record you answer with the correct unit)

a)

0.043 M

b)

0.034 M

c)

0.065 M

d)

0.77 M

4.

How many mL of 1.00 M H₂SO₄ is needed to neutralize 21.5 mL of 1.50 M KOH?

H₂SO₄ + 2KOH → K₂SO₄ + 2H₂O

a)

16.1 mL

b)

1.10 mL

c)

5.65 mL

d)

0.900 mL

5.

NH₃ + H₂O → NH₄⁺ + OH^-

NH₃ is a Bronsted Lowry

a)

Acid

b)

Base

c)

conjugate acid

d)

conjugate base

6.

HNO₃ + H₂O → H₃O⁺ + NO₃^1-

NO₃^1- is the conjugate base of

a)

H₂O

b)

HNO₃

c)

H₃O⁺

d)

none of the above

7.

HCO₃^- + H₂O → H₃O⁺ + CO₃^2-

Water is acting as

a)

a Bronsted Lowry base

b)

a Bronsted Lowry acid

c)

a strong acid

d)

a weak acid

8.

HC₂H₃O₂ + H₂O → H₃O⁺ + C₂H₃O₂^1-

HC₂H₃O₂is acting as

a)

a conjugate base

b)

a Bronsted Lowry base

c)

a Bronsted Lowry acid

d)

none of the above

9.

What is the conjugate base of H₂SO₄?

a)

SO₄^2-

b)

H₂SO₃

c)

HSO₃^1-

d)

HSO₄^1-

10.

Which of the following is a strong acid?

a)

NaOH

b)

HCl

c)

HF

d)

H₂O

11.

Identify the salt in the following equation:

HNO₃ + Zn(OH)₂ → Zn(NO₃)₂+ H₂O

a)

HNO₃

b)

Zn(OH)₂

c)

Zn(NO₃)₂

d)

H₂O

12.

Strong acids and bases...

a)

do not break apart into ions (non-electrolyte)

b)

partially break apart into ions (weak electrolyte)

c)

completely break apart into ions (non-electrolyte)

d)

completely break apart into ions (strong electrolyte)

13.

An acid that does not break apart completely.
Range from 4-7 on the pH scale.

a)

Strong Acid

b)

Strong Base

c)

Weak Acid

d)

Weak Base

14.

This solution is filled with:

a)

Weak Acid

b)

Strong Base

c)

Strong Acid

d)

Weak Base

15.

Which of the following is a conjugate acid/base pair?

a)

HCl/OCl^-

b)

H₂SO₄/SO₄^2-

c)

NH₄⁺/NH₃

d)

H₃O⁺/OH^-

16.

In which of the following reactions does H₂PO₄^-act as an acid?

a)

H₃PO₄ + H₂O --> H₃O⁺ + H₂PO₄^-

b)

H₂PO₄^- + H₂O --> H₃O⁺ + HPO₄^2-

c)

H₂PO₄^- + OH^- --> H₃PO₄ + O^2-

d)

The ion cannot act as an acid

17.

Which type of titration is shown by this titration curve?

a)

Titration of a strong acid by a strong base

b)

Titration of a weak acid by a strong base

c)

Titration of a strong base by a strong acid

d)

Titration of a weak base by a strong acid

18.

The ionic equation for the reaction:

$NaOH\left(aq\right)+\ HCl\ \left(aq\right)->\ NaCl\left(aq\right)\ +\ H_2O\ \left(l\right)$

a)

$Na^+\left(aq\right)+Cl^-\ \left(aq\right)\ ->\ NaCl\ \left(aq\right)$

b)

$H^+_{\left(aq\right)}\ +\ OH_{\left(aq\right)}^-->\ H_2O\ _{\left(l\right)}$

c)

$Na^+\left(aq\right)+OH^-\ \left(aq\right)\ ->\ NaOH\ \left(aq\right)$

d)

$H_{\left(aq\right)}^+\ +\ Cl_{\left(aq\right)}^-->\ HCl\ _{\left(l\right)}^{ }$

19.

The spectator ions in the following reaction are:

$H_2SO_4\ \left(aq\right)+\ KOH\left(aq\right)\ ->\ K_2SO_4\ \left(aq\right)\ +\ H_2O\left(l\right)$

a)

$K^{+\ }and\ SO_{4\ ^{^{ }}}^{\ \ \ 2-}$

b)

$H^{+\ }and\ SO_{4\ ^{^{ }}}^{\ \ \ 2-}$

c)

$K^{+\ }and\ OH^-$

d)

$H^{+\ }and\ OH_{\ ^{^{ }}}^{\ -}$

20.

When citric acid is produced by the cells of an orange and dissolves in water, it produces a relatively small number of hydronium ions. Citric acid is best described as a

a)

concentrated acid.

b)

weak acid.

c)

dilute acid.

d)

strong acid.

Acid-Base Reactions (4.6-4.8)

Total questions: 20

Worksheet time: 29mins

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