modern chemistry chapter 14
the substances produced when KOH (aq) neutralizes HCl (aq) are
H20 and KCl
Which of the following is not an oxyacid?
H2O2
which of the following is a diprotic acid?
H2SO4
which of the following is a triprotic acid
H3PO4
which of the following is a binary acid?
HBr
In the equation HCl (g) + H2O (l) --> H3O+ (aq) + Cl- (aq), which species is a Bronsted-Lowry acid
HCl
which of the following is a chlorous acid?
HClO2
which of the following is a chloric acid?
HClO3
which of the following is perchloric acid?
HClO4
Which of the following is a weak base?
NH3
in the reaction represented by the equation HClO3 + NH3 --> NH4+ + ClO3-, the conjugate acid of NH3 is
NH4+
Which of the following gases does not dissolve in atmospheric water to produce acidic solution?
O2
a conjugate acid is the species that
is formed by the addition of a proton to a base
which acid is used mainly in the manufacture of explosives, rubber, plastic, dyes, and drugs?
nitric
which acid turns yellowish on standing?
nitric acid
In a conjugate acid-base pair, the acid typically has
one more proton than the base
a species that is formed when a base gains a proton is
a conjugate acid
a base is weak if its tendency to
attract a proton is slight
In the reaction represented by the equation H2SO4 + H2O--> H3O+ + HSO4, the ion HSO4- acts as a
base
In the reaction represented by the equation H3Po4 + H20 --> H3O+ = H2Po4-, the molecule H2O acts as a
base
acids react with
bases to produce with salts and water
which of the following did Arrhenius theorize?
because acids and bases carry electric current, they must produce ions in solution
bases taste
bitter
a species that is formed when a base gains a proton is a
conjugate acid
a species that remains when an acid has lost a proton is a
conjugate base
which acid is produced in the stomach?
hydrochloric acid
a binary acid contains
hydrogen and one other element
an arrhenius acid contains
hydrogen that ionizes to form hydrogen bonds
an oxyacid contains
oxygen, hydrogen, and one other element
which acid is used to make fertilizers and detergents and is a flavoring agent in beverages?
phosphoric acid
Arrhenius theorized that an acid is a chemical compound that
increases the concentration of hydrogen ions when dissolved in water
Arrhenius theorized that a base is a chemical compound that
increases the concentration of hydroxide ions when dissolved in water
A Bronsted-Lowry base is a
proton acceptor
If a substance has a great tendency to give up protons, its conjugate has a
slight tendency to attract protons
bases feel
slippery
In the equation CH3COOH + H2O --> H3O+ + CH3COO-, H2O is a weak base, and H3O+ is a
strong acid
In the equation HClO4 + NH3 --> NH4+ + ClO4-, ClO4- is a weak base and HClO4 is a
strong acid
the conjugate of a weak base is a
strong acid
An acid ending with the suffix -ic produces an anion with
suffix -ate
which acid is manufactured in the largest quantity?
sulfuric acid
Which statement about arrhenius bases is false?
they increase the concentration of hydrogen ions in aqueous solutions
acetic acid is found in
vinegar
In the reaction represented by the equation HClO3 + NH3 --> NH4+ + ClO3-, the conjugate base of HClO3 is
ClO3-
Which is a Lewis acid but not a Bronsted-Lowry acid?
BF3
whose definition of acids and bases emphasizes the role of protons?
Bronsted and Lowry
Whose theory of acids and bases do conjugate acids and bases belong to?
Bronsted-Lowry
In the reaction represented by the equation NH3+ H2O --> NH4+ + OH-, water, H2O is a
Bronsted-Lowry acid
in the reaction represented by the equation CH3COOH + H2O --> H3O+ +CH3COO-, the conjugate acid of CH3COO- is
CH3COOH
In the reaction represented by the equation HF + H2O --> H3O+ +F, a conjugate acid-base pair is
F- and H2O
Which of the following is amphoteric?
H2O
which compound is produced by a neutralization reaction?
H2O
Which of the following is amphoteric
HSO4-
which of the following is a strong base
KOH
Which of the following is a strong base?
LiOH
whenever ammonia donates an electron pair to form a covalent bond, it acts as
a lewis base
a salt is NOT
a proton donor
which of the following is not a reactant in a neutralization reaction?
a salt
an amohoteric species is one that acts as an
acid or base
acids generally release H2 gas when they react with
active metals
A Lewis acid is
an electron pair acceptor
The dilute aqueous solution of a weak base contains
anions, acid molecules, and hydronium ions
The members of a conjugate acid-base pair
appear on opposite sides of the chemical equation
in water, hydroxides of group 2 metals
are all strong bases
the traditional definition of acids is used on the observations of
arrhenius
a binary acid
begins with the prefix hydro-
aqueous solutions of acids
carry electricity
A Lewis base is an
electron pair donor
compared with acids that have the suffix -ic, acids that have the suffix -ous contain
less oxygen
Whose acid definition is the broadest or most general?
lewis
an electron pair acceptor is
lewis acid
in the reaction represented by the equation Ag+ +2NH3 --> [Ag(NH3)2], Ag+ is
lewis acid
an electron pair donor is a
lewis base
the two members of a conjugate acid-base pair differ by
proton
the two members of a conjugate acid-base pair differ by a
proton
A Bronsted-Lowry acid is a
proton donor
acids taste
sour
A substances that ionizes nearly completely in aqueous solutions and produces H3O+ is a
strong acid
the conjugate of a weak acid is a
strong base
Which acid is used in batteries?
sulfuric acid
what statement about arrhenius acids is false?
they increase the concentration of hydroxide ions in aqueous solution
how many conjugate acid base pairs participate in a bronsted-lowry acid-base reaction?
two
