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Which of the following would most likely act as a Bronsted-Lowry acid?
(A)OH-
(B)HCN
(C)CCl4
(D)Mg(OH)+
(B)HCN
Which best describes the definition of Lewis acids and bases?
(A)a general definition based on electron structure
(B)a general definition based on hydrogen ion concentration
(C)a specific definition based on a compound's ability to accept protons
(D)a specific definition based on a compound's ability to donate protons
(A)a general definition based on electron structure
What is the Arrhenius definition of an acid?
(A)A substance that increases H3O+ concentration when it is dissolved in water.
(B)A substance that increases OH- concentration when it is dissolved in water.
(C)A compound that donates protons.
(D)A compound that accepts protons.
(A)A substance that increases H3O+ concentration when it is dissolved in water.
What is the Bronsted-Lowry definition of an acid?
(A)a compound that donates protons
(B)a compound that accepts protons
(C)a substance that increases hydroxide ion concentration
(D)a substance that increases hydronium ion concentration
(A)a compound that donates protons
Consider the reaction below.
H2PO4- + H2O -> H3O+ + HPO42-
Which of the following is a base-conjugate acid pair?
(A)H2O and H-3O+
(B)H2O and H2PO4
(C)H2PO4- and HPO42-
(D)H2PO4- and H3O+
(A)H2O and H-3O+
What is the Bronsted-Lowry definition of a base?
(A)a compound that donates protons
(B)a compound that accepts protons
(C)a substance that increases hydroxide ion concentration
(D)a substance that increases hydronium ion concentration
(B)a compound that accepts protons
Which statement describes the Arrhenius interpretation of acids and bases?
(A)It has a wider range of applications than the Bronsted-Lowry interpretation.
(B)It has a wider range of applications than the Lewis and Bronsted-Lowry interpretations.
(C)It is used in situations that involve bases that do not produce hydroxide ions.
(D)It is limited to situations that involve aqueous solutions or specific compounds.
(D)It is limited to situations that involve aqueous solutions or specific compounds.
A chemist lectures about the following definition for acids and bases.
The acid-base behavior is analyzed in terms of how electrons are transferred between compounds rather than in terms of how hydrogen ions are transferred.
What is the chemist defining?
(A)the Arrhenius concept of acids and bases
(B)the classical concept of acids and bases
(C)the Lewis concept of acids and bases
(D)the Bronsted-Lowry concept of acids and bases
(C)the Lewis concept of acids and bases
Consider the reaction below.
HF + H2O -> H3O(+) + F(-)
Which is an acid-conjugate base pair?
(A)HF and H3O+
(B)HF and F(-)
(C)H2O and HF
(D)H2O and F(-)
(B)HF and F(-)
Which reaction displays an example of an Arrhenius base?
(A)NaOH(s) mc005-1.jpg Na+(aq) + OH-(aq)
(B)HCl(g) + H2O(l) mc005-2.jpg H3O+(aq) + Cl-(aq)
(C)CH3COOH(aq) + H2O(l) mc005-3.jpg H3O+(aq) + CH3COO-(aq)
(D)NH3(aq) + HC2H3O2(aq) mc005-4.jpg NH4+(aq) + C2H3O2-(aq)
(A)NaOH(s) mc005-1.jpg Na+(aq) + OH-(aq)
