CCU8.A Acid Base Rxns and Titrations

Categorize

Options (8)

HF

Ca(OH)₂

NH₄Cl

LiOH

NaOH

C₆H₁₂O₆

HNO₃

H₂CO₃

Classify the compounds

Acids

Bases

Not Acidic or Basic

Multiple Choice

Which substance will dissolve in water to produce H₃O⁺ (hydronium ion) as the only positive ion in the solution?

• NH₄OH

• KCl

• NaOH

• HF

Multiple Choice

Substance X is dissolved in water to

produce a solution with a pH of 2.

Substance X is most likely

• Lithium hydroxide

• Ammonia

• Methanol

• Sulfuric acid

Multiple Choice

Which of these pH numbers indicates the highest level of acidity?

• 14

• 8

• 9

• 10

Multiple Choice

In a neutralization reaction, what are the products of a reaction between an acid and a base?

• Another acid and base

• Carbon dioxide and a salt

• Water and a salt

• Either two acids or two bases

Multiple Choice

Which of the following is a neutralization reaction?

• 2Na + Cl₂ → 2NaCl

• CH₄ + 2O₂ → CO₂ + 2H₂O

• HCl + KOH → KCl + H₂O

• CaCO₃ → CO₂ + CaO

Multiple Choice

Complete the following reaction:

Hydrochloric acid + magnesium hydroxide -->

• Magnesium chloride + water

• Magnesium + water

• Magnesium chloride + hydrogen

• Magnesium chloride + water + carbon dioxide

Drag and Drop

A 0.025L solution of HCl is neutralized by 0.018L of a 1.0 M NaOH solution.

What is the concentration of the HCl solution?



M_{a *} V_a =M_{b *} V_b

Placeholder

x

Placeholder

=​

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​ x

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Drag these tiles and drop them in the correct blank above

?

0.025

1.0

0.018

Multiple Choice

A 25.00 mL sample of HCl was titrated to the end point with 15.00 mL of 2.00 M NaOH. The following neutralization reaction occured: $$HCl\ \ +\ \ NaOH\ \ \rightarrow\ \ NaCl\ \ +\ \ H_2O$$  
What is the molarity of the HCl? 

• 0.650 M

• 1.05 M

• 1.20 M

• 1.50 M

Multiple Choice

A titration works by using a ___________________________ reaction.

• Single Replacement

• Neutralization

• Combustion

• Synthesis

Multiple Choice

Indicators are used in a titration by changing ___________________ at different pH levels.

• Smell

• Shape

• Phase

• Color

Multiple Choice

What is the volume reading on this burette?

• 4.40mL

• 3.50mL

• 3.60mL

• 4.50mL

Multiple Choice

A solution with a pH of 8.6 would be...

• Acid
• Base
• Neutral
• Acid and Base

Multiple Choice

What is this piece of apparatus called?

• Pipette

• Burette

• Janette

• Cuvette

Hotspot

According to this graph, where is the equivalence point?

Multiple Choice

What are the products of the following reaction?
H₂SO₄  +  KOH  -->  

• HK  +  HSO₄
• H₂O  +  KSO₄
• H₂O  +  K₂SO₄
• H₂  +  K₂SO₄

Multiple Choice

Ca(OH)₂ is an example of a(n)

• Acid
• Base
• Neutral

Multiple Choice

If phenolphthalein turns bright pink, it indicates

• an acid 
• a base
• a neutral

Multiple Choice

How do the following two elements bond together?
Cr³⁺  O^2-         

• CrO
• Cr₃O₂
• Cr₂O₃
• CrO₃

Multiple Choice

If an atom becomes an ion with a 2+ charge, what does that mean?

• It has lost 2 electrons
• It has gained 2 electrons
• The atom is in period 2
• The atom has an atomic # of 2

Multiple Choice

The name of FeCl₂ is

• iron chloride
• iron (II) chloride
• iron (I) chloride
• iron dichloride

Multiple Choice

Choose the correct shape for this molecule:

• Trigonal planar
• Trigonal pyramidal
• Bent
• Tetrahedral

Multiple Choice

Choose the correct shape for this molecule:

• linear
• Trigonal pyramidal
• Bent
• Tetrahedral

Multiple Choice

What is the correct shape of CHCl₃?

• Bent

• Trigonal pyramidal

• Tetrahedral

• Trigonal planar

Multiple Choice

What is the oxidation number of Fe in FeO?

• +1
• -1
• +2
• -2

Multiple Choice

What is oxidation number of Mn in MnO₂ ?

• 0
• +2
• -2
• +4

Multiple Choice

Oxidation number of Fe in Fe₂O₃:

• 0

• -2

• +2

• +3

Multiple Choice

What is the oxidation state of H in H₂?

• +2

• +1

• 0

• None of the above

Multiple Choice

What is the oxidation state of Cu in Cu²⁺?

• -1

• -2

• +2

• 0

Multiple Choice

What is the oxidation number for O₂

• -2

• -1

• 0

• +2