17 Questions
What are the characteristic properties of acids?
Acids turn blue litmus red, react with metals to form hydrogen, are corrosive, and have a pH < 7.
What is the difference between a monobasic acid and a dibasic acid?
A monobasic acid donates one H+ ion, whereas a dibasic acid donates two H+ ions.
How does the Arrhenius theory explain the conductivity of strong acids in water?
The Arrhenius theory explains that strong acids dissociate in aqueous solution, forming hydrogen ions, which enables them to conduct electricity in water.
What is the limitation of the Arrhenius theory in terms of its scope of application?
The Arrhenius theory is limited to reactions that take place in water and does not explain the amphoteric behavior of certain substances.
What is the role of water in enabling acids to exhibit their acidic properties?
Acids usually need water before they can show their acidic properties because water enables the dissociation of acids into hydrogen ions.
What is the difference between an acid and an alkali?
An acid is a substance that dissociates in aqueous solution, forming hydrogen ions, whereas an alkali is a base that dissolves in water.
What is the purpose of neutralization in acid-base chemistry?
Neutralization is a reaction between an acid and a base that forms a neutral solution of salt and water.
How do weak acids and bases differ from strong acids and bases in terms of their electrical conductivity?
Weak acids and bases are poor conductors of electricity, whereas strong acids and bases are good conductors.
Why do acids only conduct electricity in water, according to the Arrhenius theory?
Acids only conduct electricity in water because they dissociate in aqueous solution, forming hydrogen ions, which are responsible for the conductivity.
What is the significance of the pH value in distinguishing between acids and bases?
A pH value less than 7 indicates an acid, while a pH value greater than 7 indicates a base, with a pH of 7 being neutral.
Why is sodium hydroxide considered a strong base?
Sodium hydroxide is considered a strong base because it completely dissociates in water, forming hydroxide ions, which is a characteristic of strong bases.
What is the role of litmus in identifying acids and bases?
Litmus is a indicator that turns red in acidic solutions and blue in basic solutions, allowing for the identification of acids and bases.
What is the definition of an acid by the Bronsted - Lowry Theory?
An acid is a proton donor
What is the relationship between neutralization and the formation of salts and water?
When an acid and a base react, they undergo neutralization, resulting in the formation of a salt and water, which is a neutral solution.
Why can ammonia not be classified as a base according to the Arrhenius theory?
Ammonia does not dissociate in aqueous solution.
Distinguish between a strong acid and a weak acid according to the Bronsted Lowry theory.
A strong acid is a good proton donor, while a weak acid is a poor proton donor.
Define a conjugate pair according to Bronsted Lowry theory.
An acid and base differing by the presence or absence of a proton.
Test your knowledge of acids and bases, including their properties, common lab and household examples, and pH levels. Learn about the characteristics of acids and bases, and how they interact with each other.
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