College Chem. Review Game II

CH 4 Types of Reactions

100

Identify the following type of reaction:

Ba₂ + O₂   → BaO

Synthesis Reaction

200

Identify the following type of reaction:

Na + ZnBr₂ --> NaBr + Zn₂

 Single Replacement

300

Identify the type of reaction:

H₂SO₄ --> H + SO₄

Decomposition

400

Identify the following type of reaction: 

K₃PO₄ + CaCl₂ --> KCL + Ca₃(PO₄)₂

Double Replacement

500

Identify the type of reaction.

2 C₈H₁₈ + 25 O₂ --> 16 CO₂ + 18 H₂O

Combustion

CH 4 Predicting Oxidation States

100

OH^-1

O= -2

H=+1

200

PO₄^-3

P= +5

O=-2

300

SCN^-1

S= -2

C= +4

N= -3

400

S₂O₃^-2

S= +2

O=-2

500

Find the oxidation number of Fe in:

Fe(CN)₆^-4

Fe= +2

CH 4 Redox

100

Balance the following redox reaction that takes place in an acidic solution.

HSO₅^-+ ClO₂^- ---> ClO₃^- + SO₄^-2

HSO₅^-+ ClO₂^----> ClO₃^- + SO₄^-2 + H⁺

200

What happens in a redox reaction when the substance  is oxidized?

Substance will lose its electrons which increases the charge

300

True or False

The amount of electrons gained must equal the amount lost.

True

400

Balance the following redox reaction that takes place in a basic solution. 

Te + NO₃^- → TeO₃^2- + N₂O₄

Te + 4 NO₃^- + H₂O --> TeO₃^-2 + 2 N₂O₄ + 2 OH^-

500

Balance in Acidic. 

Cr₂O₇^-2 + Fe²⁺ --> Cr³⁺ +Fe³⁺

6 Fe²⁺ + Cr₂O₇^-2+14H⁺--> 6 Fe⁺³ +2 Cr⁺³+ 7H₂O

CH 4 Random I

100

Moles of solute before dilution= 

Moles of solute after dilution

200

True or False.

Complete Ionic Equation includes only the solution components that are experiencing a change. 

False, that is net-ionic.

300

When the full amount of base is added with an acid, the acid is referred to as being_____. 

Neutralized

400

_______- When an adequate amount of titrant is added to react with the analyte

Equivalence Point

500

Write the net ionic equation of the following. 

2 HClO₄(aq) + Ba(OH)₂(aq) → Ba(ClO₄)₂(aq) + 2 H₂O(l)

2 H⁺ (aq) + 2 OH^- (aq) --> 2 H₂O (l)

CH 4 Random II

100

Dilution is the process of adding___ to stock___ to attain a certain concentration. 

Water, Solutions

200

Predict the products using single replacement. (Name)

Potassium + Phosphoric Acid -->

Potassium Phosphate + Hydrogen

300

What volume of 22 M Nitric acid must be used to prepare 2 L of a 3 M Sulfuric acid solution?

0.27 L HNO₃

400

What is the molarity if a 200 g sample of potassium phosphate is dissolved in water, making 3.5 L. 

2.70 x 10^-1 M K₃(PO₄₎

500

Name the three key points for a Tritiation to be successful. 

1) Reaction with titrant and analyte has to be known

2) Equivalence point must be marked accurately

3) Volume of titrant needed must be known accurately