Free Printable AP Chem Reactions in Solution

Worksheets

AP Chem Reactions in Solution

Total questions: 15

Worksheet time: 21mins

Name

Class

Date

What is oxidation number of H in CaH₂?

-1

The sum of the oxidation numbers in SCN^- is equivalent to

-1

Which of the following half reactions correctly represents a reduction half reaction?

Fe →Fe²⁺+ 2e^-

Pb⁴⁺ + 2e^- →Pb²⁺

2O^-2→O₂ + 4e^-

Fe + 3e^- →Fe³⁺

What allows us to know when the end point has been reached?

Bubbles

Feels warm

indicator changing color

Turns to a solid

acid + base ₋>

salt + hydrogen

salt + water

salt + carbon dioxide + water

salt

If it takes 54 mL of 0.10 M NaOH to neutralize 125 mL of an HCl solution, what is the concentration of the HCl? (record you answer with the correct unit)

0.043 M

0.034 M

0.065 M

0.77 M

If it takes 25 mL of 0.050 M HCl to neutralize 345 mL of NaOH solution, what is the concentration of the NaOH solution?

0.0036 M NaOH

0.00125 M NaOH

3.62 M NaOH

1.25 M NaOH

Which is the correct net ionic equation for the reaction of:

AgNO₃(aq) + CaCl₂(aq) -> AgCl (s) + Ca(NO₃)₂(aq)

Ca²⁺(aq) + 2Cl^- (aq) → CaCl(s)

Ag⁺(aq) + Cl^- (aq) → AgCl(s)

Ag + Cl → AgCl

Ag⁺+ Ca²⁺ →Ag₂Ca (s)

What are the spectator ions in this reaction?
CuCl₂(aq) + NaOH(aq) → Cu(OH)₂(s) + NaCl(aq)

Cu²⁺ and OH^1-

Na²⁺ and Cl^2-

Na¹⁺ and Cl^1-

Na¹⁺ and OH^1-

10.

What coefficient would Fe⁺² have in the following reaction?
___ Al + ___ Fe⁺² → ___ Al⁺³ + ___ Fe

11.

Which of the following reactions is balanced by both mass and charge?

Fe⁺² + Al →Fe + Al⁺³

Cu + Fe⁺² → Cu⁺¹ + Fe⁺³

F₂ + Br^- --> F^- + Br₂

Fe⁺² + 2 Cu --> 2 Cu⁺ + Fe

12.

Which of these equations represents a redox reaction?

Ca(HCO₃)_{2 -->}CaCO₃ + H₂O + CO₂

HC₂H₃O₂ + NaOH --> NaC₂H₃O₂ + H₂O

Zn + 2FeCl₃ --> ZnCl₂ + 2FeCl₂

NaCl + AgNO_{3 -->}AgCl + NaNO₃

13.

What is the reduction half-reaction for the following redox reaction?
Zn + HgO $\longrightarrow$ ZnO + Hg

Zn $\longrightarrow$ Zn²⁺ 2e–

Hg²⁺ + 2e– $\longrightarrow$ Hg

Zn + HgO

ZnO + Hg

14.

What is the oxidation state of carbon in C₂O₄^2-

15.

Consider the following equation:

FeCl₂+ HCl + HNO₃ ---> FeCl₃ + NO + H₂O

When correctly balanced, what will be the coefficient in front of the H₂O molecule?

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AP Chem Reactions in Solution

Total questions: 15

Worksheet time: 21mins

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