Question 1

The reaction 2KBr + F2 $\rightarrow$2KF + Br2 is an example of a _____ reaction.

Accepted Answer

A) spectator 
B) metaphysical 
C) single replacement 
D) double replacement 
A) spectator 
B) metaphysical 
C) single replacement 
D) double replacement

Question 2

Which of the following reactions is correctly balanced?

Accepted Answer

A) N2 + H $\rightarrow$ 2NH3 
B) 2H2O + C $\rightarrow$ CO + 2H2 
C) Zn + 2HCl $\rightarrow$H2 + ZnCl2 
D) CO + O2 $\rightarrow$ CO2 
A) N2 + H $\rightarrow$ 2NH3 
B) 2H2O + C $\rightarrow$ CO + 2H2 
C) Zn + 2HCl $\rightarrow$H2 + ZnCl2 
D) CO + O2 $\rightarrow$ CO2

Question 3

Which of the following statements is not true about the reaction? 2 CH4 + 3 O2 $\rightarrow$ 2 CO2 + 4 H2O

Accepted Answer

A) Water is a reactant. 
B) Methane and carbon dioxide are products. 
C) Methane is a product. 
D) Water and carbon dioxide are products. 
A) Water is a reactant. 
B) Methane and carbon dioxide are products. 
C) Methane is a product. 
D) Water and carbon dioxide are products.

Question 4

Consider the reactants and propose the right side of the equation. Mg + H2SO4$\rightarrow$______

Accepted Answer

A) no reaction 
B) MgHSO4 
C) MgSO4 + H2 
D) MgH2 + SO4 
A) no reaction 
B) MgHSO4 
C) MgSO4 + H2 
D) MgH2 + SO4

Question 5

A percentage yield less than 100% is often obtained in a reaction.What is(are)the reason for obtaining less than theoretically predicted?

Accepted Answer

A) Side reactions occurred 
B) poor laboratory technique 
C) reaction did not go to completion 
D) all of the choices 
A) Side reactions occurred 
B) poor laboratory technique 
C) reaction did not go to completion 
D) all of the choices

Question 6

The reaction AgNO3 + HCl $\rightarrow$ AgCl + HNO3 is a redox reaction.

Accepted Answer

A) True 
 B)False

Question 7

The reducing agent is the substance that is reduced in the reaction.

Accepted Answer

A) True 
 B)False

Question 8

The oxidation number of iodine in HIO4 is +6.

Accepted Answer

A) True 
 B)False

The reaction 2KBr + F₂ $\rightarrow$ 2KF + Br₂ is an example of a _____ reaction.

Which of the following reactions is correctly balanced?

Which of the following statements is not true about the reaction? 2 CH₄ + 3 O₂ $\rightarrow$ 2 CO₂+ 4 H₂O

Consider the reactants and propose the right side of the equation. Mg + H₂SO₄ $\rightarrow$ ______

A percentage yield less than 100% is often obtained in a reaction.What is(are)the reason for obtaining less than theoretically predicted?

The reaction AgNO₃ + HCl $\rightarrow$ AgCl + HNO₃ is a redox reaction.

The reducing agent is the substance that is reduced in the reaction.

The oxidation number of iodine in HIO₄ is +6.

Matter, measurements, and Calculations

Atoms and Molecules

Electronic Structure and the Periodic Law

Forces Between Particles

The States of Matter

Solutions and Colloids

Reaction Rates and Equilibrium

Acids, bases, and Salts

Radioactivity and Nuclear Processes

Organic Compounds: Alkanes

Unsaturated Hydrocarbons

Alcohols, phenols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Esters

Amines and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Nucleic Acids and Protein Synthesis

Nutrition and Energy for Life

Carbohydrate Metabolism

Lipid and Amino Acid Metabolism

Body Fluids

Filters

Exam 5: Chemical Reactions

The reaction 2KBr + F2 →\rightarrow→ 2KF + Br2 is an example of a _____ reaction.

Which of the following reactions is correctly balanced?

Which of the following statements is not true about the reaction? 2 CH4 + 3 O2 →\rightarrow→ 2 CO2 + 4 H2O

Consider the reactants and propose the right side of the equation. Mg + H2SO4 →\rightarrow→ ______

A percentage yield less than 100% is often obtained in a reaction.What is(are)the reason for obtaining less than theoretically predicted?

The reaction AgNO3 + HCl →\rightarrow→ AgCl + HNO3 is a redox reaction.

The reducing agent is the substance that is reduced in the reaction.

The oxidation number of iodine in HIO4 is +6.

Matter, measurements, and Calculations

Atoms and Molecules

Electronic Structure and the Periodic Law

Forces Between Particles

The States of Matter

Solutions and Colloids

Reaction Rates and Equilibrium

Acids, bases, and Salts

Radioactivity and Nuclear Processes

Organic Compounds: Alkanes

Unsaturated Hydrocarbons

Alcohols, phenols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Esters

Amines and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Nucleic Acids and Protein Synthesis

Nutrition and Energy for Life

Carbohydrate Metabolism

Lipid and Amino Acid Metabolism

Body Fluids

Filters

The reaction 2KBr + F₂ $\rightarrow$ 2KF + Br₂ is an example of a _____ reaction.

Which of the following statements is not true about the reaction? 2 CH₄ + 3 O₂ $\rightarrow$ 2 CO₂+ 4 H₂O

Consider the reactants and propose the right side of the equation. Mg + H₂SO₄ $\rightarrow$ ______

The reaction AgNO₃ + HCl $\rightarrow$ AgCl + HNO₃ is a redox reaction.

The oxidation number of iodine in HIO₄ is +6.