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Acid , Bases and Ionic Equation

Total questions: 25

Worksheet time: 25mins

Name

Class

Date

Which is the correct net ionic equation for the reaction of AgNO₃ and CaCl₂?

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-

Which is the correct net ionic equation for the reaction of AgNO₃ and CaCl₂?

Ca²⁺(aq) + 2Cl^- (aq) → CaCl(s)

Ag⁺(aq) + Cl^- (aq) → AgCl(s)

Ag + Cl → AgCl

Ag⁺+ Ca²⁺ →Ag₂Ca (s)

A type of chemical that forms solutions that taste sour, due to high concentrations of positive hydrogen ions

acid

base

salt

H₃PO₄ is an example of a ...

acid

base

salt

Define: Net Ionic Equation

a balanced chemical equation in which all the reactants and products are given by their chemical formulae.

a chemical equation that shows all soluble species broken into their respective ions.

a chemical equation showing only the species which are actively involved in the reaction.

What is the net ionic equation for the reaction between K₃PO_{4 (aq)} and CuSO_{4 (aq)}

2 K⁺_(aq) + SO₄^2-_(aq) → K₂SO_{4 (s)}

K⁺_(aq) + SO₄^2-_(aq) → KSO_{4 (s)}

2 Cu²⁺_(aq) + 3 PO₄^3-_(aq) → Cu₃(PO₄)_{2 (s)}

Cu²⁺_(aq) + PO₄^3-_(aq) → CuPO_{4 (s)}

According to Bronsted-Lowry, what is the definition of an BASE?

a substance that donates a hydrogen (H+) ion

a substance that donates a hydroxide (OH-) ion

a substance that accepts a hydrogen (H+) ion

a substance that accepts a hydroxide (OH-) ion

What is the conjugate acid in the following equation?

PO₄^3-

HNO₃

NO₃^-

HPO₄^2-

10.

If a solution is basic which ion will be more present?

H+

K+

OH-

H-

11.

Water can act as both an acid and a base according to the bronsted lowry model. This means water is

neutral

conjugate

ionic

amphoteric

12.

In the reaction represented by $H_2C_2O_4+CH_3NH_2\ \ \rightarrow\ \ HC_2O_4^-+CH_3NH_3^+,$ Which of these is a conjugate acid to the base $CH_3NH_2$ ?

None

$H_2C_2O_4$

$CH_2NH_3^+$

$HC_2O_4^-$

13.

Identify the salt in the following equation:
Zn(OH)₂ + HNO₃ ---> H₂O + Zn(NO₃)₂

Zn(OH)₂

HNO₃

H₂O

Zn(NO₃)₂

14.

Complete the following reaction:

HCl + Mg(OH)₂ -->

MgCl₂ + H₂O

Mg +H₂O

MgCl₂ + H₂

MgCl₂ + H₂O + CO₂

15.

The following neutralization reaction occurs in the classroom.
HCl + KOH --> H₂O + KCl
If a student uses 25.0 mL of a 0.5M solution of KOH, what is the molarity of the acid if 15.0mL of acid neutralized?

0.8M

1.2M

12.5M

16.

What is the endpoint of a titration

Where the amount of acid and base are equal as shown by a color change

Where there is no base

When the volume of base in the burette is used up

When there is no acid

17.

Which of the following statements is correct?

Blue litmus paper turns red when placed in a base.

Red litmus paper turns blue when placed in a base.

Blue litmus paper stays blue when placed in an acid.

Red litmus paper stays red when placed in a base.

18.

What methods can you use to measure the pH of a solution?

Observing color or clarity

Measuring mass or volume

Measuring density or electrical conductivity

Using acid base-indicators or pH meters

19.

What is the molarity of a 30 mL HCl which is neutralized by 48 mL of 0.1 M NaOH?

HCl + NaOH --> H₂O + NaCl

0.16 M

6.25 M

0.063 M

20.

The Acid-Base classification system that defined any chemical species that accepts a pair of electrons as a _______, and a _________ is a chemical species that donates a pair of electrons.

Bronsted-Lowry

Arrhenius acid-base

Lewis acid-base

Monoprotic and Polyprotic Acids

21.

Classify the following molecule

Lewis Acid

Lewis Base

22.

Classify the following molecule

Lewis Acid

Lewis Base

23.

The Acid-Base classification system that defined a __________ is any compound that can donate a proton (an H⁺ ion) to an appropriate acceptor. A _________ is a compound that can remove (or accept) a proton.

Bronsted-Lowry

Arrhenius acid-base

Lewis acid-base

Monoprotic and Polyprotic Acids

24.

When a solution of a known concentration is used to find the concentration of an unknown solution, this is called a

saturation

salt hydrolysis

titration

supersaturation

25.

Which of the following is NOT an acid?

HCl

CH₃COOH

C₂H₆

H₂SO₄

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Acid , Bases and Ionic Equation

Total questions: 25

Worksheet time: 25mins

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