Bonding
Organic Chemistry
Acids and Bases
Oxidation/Reduction
Solutions
100
What type of bonding is present in a sample of zinc at STP?
(1) covalent bonding (2) hydrogen bonding (3) ionic bonding (4) metallic bonding
(4) metallic bonding
100
Which formula represents a hydrocarbon?
(1) C2H6 (2) C2H5OH (3) C2H5Cl (4) C2H6O
(1) C2H6
100
The acidity or alkalinity of a solution can be measured by its
(1) pH value (2) electronegativity value (3) boiling point (4) freezing point
1) pH value
100
In an electrochemical cell, oxidation occurs at the
(1) anode (2) cathode (3) salt bridge (4) switch
(1) anode
100
Which term is used to express the concentration of an aqueous solution?
(1) parts per million (2) heat of fusion (3) pressure at 0°C (4) volume at 0°C
(1) parts per million
200
Which type of bond forms when electrons are equally shared between two atoms?
(1) a polar covalent bond (2) a nonpolar covalent bond (3) a hydrogen bond (4) an ionic bond
(2) a nonpolar covalent bond
200
Which statement describes the bonding in an alkyne molecule?
(1) There is at least one carbon-to-carbon double bond.
(2) There is at least one carbon-to-carbon triple bond.
(3) There is at least one carbon-to-oxygen single bond.
(4) There is at least one carbon-to-oxygen double bond.
(2) There is at least one carbon-to-carbon triple bond
200
According to the Bronsted Lowry acid-base theory, bases are an
1) H- donor 2) H- acceptor 3)H+ donor 4) H+ acceptor
4) H+ acceptor
200
Based on Table J, atoms of which metal will lose electrons to Ca2+ ions?
(1) aluminum (2) lead (3) nickel (4) potassium
(4) potassium
200
Compared to the freezing point and boiling point of water at 1.0 atm, a 0.5 M aqueous solution of NaCl at 1.0 atm has
(1) a lower freezing point and a lower boiling point (2) a lower freezing point and a higher boiling point (3) a higher freezing point and a lower boiling point (4) a higher freezing point and a higher boiling point
(2) a lower freezing point and a higher boiling point
300
What is the vapor pressure of propanone at 50.°C?
(1) 37 kPa (2) 50. kPa (3) 83 kPa (4) 101 kPa
(3) 83 kPa
300
The compounds CH3CH2CH2OH and CH3OCH2CH3 have different
(1) numbers of carbon atoms per mole (2) numbers of hydrogen atoms per mole (3) functional groups (4) molecular masses
(3) functional groups
300
An indicator is added to an aqueous solution with a pH value of 5.6. Which indicator is paired with its observed color in this solution?
(1) Methyl orange is yellow. (2) Phenolphthalein is pink. (3) Bromcresol green is yellow. (4) Thymol blue is blue.
(1) Methyl orange is yellow.
300
Which half-reaction equation represents reduction? (1) Cu → Cu^2+ + 2e- (2) Cu^2+ + 2e- → Cu
(3) Ag + e- →Ag+ (4) Ag+ →Ag + e-
(2) Cu^2+ + 2e- → Cu
300
Based on Table G, what is the mass of KCl that must be dissolved in 200. grams of H2O at 10.°C to make a saturated solution?
(1) 15g (2) 30. g (3) 60.g (4) 120. g
(3) 60. g
400
An atom of which element bonds with an atom of hydrogen to form the most polar bond?
(1) bromine (2) chlorine (3) fluorine (4) iodine
(3) fluorine
400
Which formula represents 2-butene?
Choice 2
400
In a neutralization reaction, an aqueous solution of an Arrhenius acid reacts with an aqueous solution of an Arrhenius base to produce (1) an ether and water (2) an ether and an alcohol (3) a salt and water (4) a salt and an alcohol
(3) a salt and water
400
Given the equation representing a reaction:
3CuCl2(aq) + 2Al(s) → 3Cu(s) + 2AlCl3(aq)
The oxidation number of copper changes from
(1) +1 to 0 (2) +2 to 0 (3) +2 to +1 (4) +6 to +3
(2) +2 to 0
400
Based on Table G, which sample, when added to 100. grams of water and thoroughly stirred, produces a heterogeneous mixture at 20.°C?
(1) 20. g of KCl (2) 20. g of KI (3) 80. g of KCl (4) 80. g of KI
(3) 80. g of KCl
500
Which chemical bond is most polar?
(1) a O–H bond in H2O (2) a S–H bond in H2S (3) a Se–H bond in H2Se (4) a Te–H bond in H2Te
(1) a O–H bond in H2O
500
Given the formula representing a compound:
What is the chemical name for the compound?
(1) 2-chloropentene (2) 2-chloropentane (3) 4-chloropentene (4) 4-chloropentane
(2) 2-chloropentane
500
Below shows the molar concentrations of hydronium ion, H30+, in four different solutions. Which solution has the highest pH?
Solution Molar Concentration of H3O+ ion (M)
A 0.1
B 0.01
C 0.001
D 0.0001
Solution D
500
Given the equation representing a reaction: Cd+NiO2+2H2O→Cd(OH)2 + Ni(OH)2 Which half-reaction equation represents the oxidation in the reaction?
(3) Cd -> Cd2+ + 2e-
500
How many milliliters of 1 M HCl(aq) must be diluted with water to make exactly 500 mL of 0.1 M HCl(aq)?
(1) 10 mL (2) 50 mL (3) 100 mL (4) 5000 mL
(2) 50 mL