Question 1

Seageroic acid has a pKa of 8.23,whereas slabaughic acid has a pKa of 18.65.From these facts,which of the following is true?

Accepted Answer

A) Slabaughic acid is less water soluble than seageroic acid. 
B) Seageroic acid is a stronger acid than slabaughic acid. 
C) Slabaughic acid dissociates to a greater extent in water. 
D) Seageroic acid is a weaker acid than slabaughic acid. 
A) Slabaughic acid is less water soluble than seageroic acid. 
B) Seageroic acid is a stronger acid than slabaughic acid. 
C) Slabaughic acid dissociates to a greater extent in water. 
D) Seageroic acid is a weaker acid than slabaughic acid.

Question 2

The salt of a weak base with a weak base could behave as a buffer.

Accepted Answer

A) True 
 B)False

Question 3

When an acid is analyzed by adding a measured quantity of base,the point at which all the acid has reacted is correctly called

Accepted Answer

A) the equivalence point. 
B) the neutral point. 
C) the endpoint. 
D) the analysis point. 
A) the equivalence point. 
B) the neutral point. 
C) the endpoint. 
D) the analysis point.

Question 4

The dissociation reaction for the weak acid,H2PO3- would be which of the following?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 5

Which of the following salts would produce a basic solution (pH higher than 7)upon being dissolved in pure,distilled water?

Accepted Answer

A) NaCl 
B) Na2CO3 
C) Mg(NO3)2 
D) NH4Cl 
A) NaCl 
B) Na2CO3 
C) Mg(NO3)2 
D) NH4Cl

Question 6

What would be the pH of a solution of NH4Cl in pure water?

Accepted Answer

A) higher than 7 
B) lower than 7 
C) equal to 7 
D) can't be predicted 
A) higher than 7 
B) lower than 7 
C) equal to 7 
D) can't be predicted

Seageroic acid has a pK_a of 8.23,whereas slabaughic acid has a pK_a of 18.65.From these facts,which of the following is true?

The salt of a weak base with a weak base could behave as a buffer.

When an acid is analyzed by adding a measured quantity of base,the point at which all the acid has reacted is correctly called

The dissociation reaction for the weak acid,H₂PO₃^- would be which of the following?

Which of the following salts would produce a basic solution (pH higher than 7)upon being dissolved in pure,distilled water?

What would be the pH of a solution of NH₄Cl in pure water?

Matter, measurements, and Calculations

Atoms and Molecules

Electronic Structure and the Periodic Law

Forces Between Particles

Chemical Reactions

The States of Matter

Solutions and Colloids

Reaction Rates and Equilibrium

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 9: Acids, bases, and Salts

Seageroic acid has a pKa of 8.23,whereas slabaughic acid has a pKa of 18.65.From these facts,which of the following is true?

The salt of a weak base with a weak base could behave as a buffer.

When an acid is analyzed by adding a measured quantity of base,the point at which all the acid has reacted is correctly called

The dissociation reaction for the weak acid,H2PO3- would be which of the following?

Which of the following salts would produce a basic solution (pH higher than 7)upon being dissolved in pure,distilled water?

What would be the pH of a solution of NH4Cl in pure water?

Matter, measurements, and Calculations

Atoms and Molecules

Electronic Structure and the Periodic Law

Forces Between Particles

Chemical Reactions

The States of Matter

Solutions and Colloids

Reaction Rates and Equilibrium

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

Seageroic acid has a pK_a of 8.23,whereas slabaughic acid has a pK_a of 18.65.From these facts,which of the following is true?

The dissociation reaction for the weak acid,H₂PO₃^- would be which of the following?

What would be the pH of a solution of NH₄Cl in pure water?