42 Questions
What is the characteristic of acids according to the Arrhenius definition?
Increase the concentration of H₃O⁺ ions in solution.
Which of the following is an example of a polyprotic acid?
Sulfuric acid (H₂SO₄)
What is the term for a substance that can act as both an acid and a base?
Amphoteric
According to the Bronsted-Lowry definition, what is the characteristic of a base?
Proton acceptor
What is the term for a species that can donate or accept protons?
Amphiprotic
What is formed when an acid donates a proton and a base accepts a proton?
A conjugate acid-base pair
Which of the following is not an acid?
Sodium hydroxide (NaOH)
What is the characteristic of an acid according to the early definition?
Sour taste
What type of reaction occurs when an acid and a base react?
Neutralisation reaction
What is formed when hydrochloric acid reacts with sodium hydroxide?
A salt and water
What is the general equation for the reaction between an acid and a metal hydroxide?
nH+(aq) + M(OH)n(aq) → nH2O(l) + Mn+(aq)
What is formed when an acid reacts with a metal carbonate?
A salt, carbon dioxide, and water
What is the general equation for the reaction between an acid and a metal oxide?
2H+(aq) + MxOy(aq) → yH2O(l) + xMn+(aq)
What is the product of the reaction between hydrochloric acid and ammonia?
NH4Cl
What is the general equation for the reaction between an acid and a metal hydroxide?
nH+(aq) + M(OH)n(aq) → nH2O(l) + Mn+(aq)
What is the product of the reaction between hydrogen bromide and potassium hydroxide?
H2O(l) + KBr(aq)
What is the product of the reaction between an acid and a metal oxide?
H2O(l) + Mn+(aq)
What is the product of the reaction between hydrochloric acid and ammonia?
H2O(l) + NH4Cl(aq)
What is formed when an acid reacts with a metal carbonate?
A salt, carbon dioxide, and water
What is the type of reaction that occurs when an acid reacts with a metal hydroxide?
Neutralization reaction
What is the primary characteristic of amphoteric substances?
They can act as both acids and bases, depending on the reaction.
Which of the following is an example of a conjugate acid-base pair?
H3O+ and H2O
What is the result of the reaction between sulfuric acid and hydroxide ions?
Both HSO4- and SO42- are formed.
According to the Bronsted-Lowry definition, what is the characteristic of an acid?
It is a proton donor.
What is the characteristic of a polyprotic acid?
It can donate more than one proton.
What is the role of water in acid-base reactions?
It can act as both an acid and a base, depending on the reaction.
Which of the following is an example of an acid?
Hydrochloric acid (HCl)
What is the result of the reaction between an acid and a base?
The formation of a salt and water.
What is the common product formed when an acid reacts with a metal hydroxide and a metal oxide?
Salt and water
What is the difference between the reaction between an acid and a metal hydroxide, and the reaction between an acid and a metal oxide?
The number of hydrogen ions involved
What is the characteristic of a neutralisation reaction?
The formation of a salt and water
Why do acid-base reactions involve the formation of salts?
Due to the transfer of protons
What is the common product formed when an acid reacts with a metal carbonate?
Salt and carbon dioxide
What is the general equation for the reaction between an acid and a metal hydroxide?
nH^+(aq) + M(OH)_n(aq) → nH_2O(l) + M^n+(aq)
What is the primary characteristic of a conjugate acid-base pair?
Two species that transform into each other by gain or loss of a proton
Which of the following substances can act as an amphiprotic substance?
Water (H2O)
What is the result of the reaction between sulfuric acid and hydroxide ions?
Formation of hydrogen sulfate ion (HSO4-)
According to the Bronsted-Lowry definition, what is the characteristic of an acid?
A substance that can act as a proton donor
Which of the following substances is an example of an amphoteric substance?
Hydrogen carbonate ion (HCO3-)
What is the characteristic of a polyprotic acid?
A substance that can donate more than one proton
What is the role of water in acid-base reactions?
It acts as an acid or a base depending on the reaction
Which of the following statements is true about acid-base reactions?
An acid can react with a metal hydroxide to form a salt and water
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