CHEM 210 Module 8 Exam | Latest
(2026–2027) Latest Verified Questions &
Answers | Organic Chemistry(Portage
Learning)
How many protons, neutrons, and electrons are present in the Na atom?
11 protons, 12 neutrons, 11 electrons
How many valence electrons are there in Chlorine?
7
What is not a constitutional isomer of the following molecule?
Structure D
What structures are very strongly UV active?
Structures iii and v
What is the tertiary alcohol?
Structure iv
What functional groups are present in the following molecule?
Alkene, ketone, amine
What structures would give a strong peak at 1700 cm-1 in the IR spectrum?
Structures i and ii only
What is the base formula for a molar mass of 70?
C5H12
What is the degree of unsaturation in the following molecule?
2
What functional group is responsible for the IR spectrum?
Carboxylic acid
What is the chemical shift you expect for the indicated proton on the 1H NMR spectrum?
5 - 7 ppm
What is the name of the following alkyl fragment labeled in the circle?
Isopropyl
How many signals/sets of peaks will there be in the 1H-NMR for this molecule?
Six
What is the multiplicity of the indicated proton?
Triplet
How many signals will there be in the 13C-NMR spectrum?
5
What is the electronegativity difference between P and H in PH3?
0
What is one degree of unsaturation equivalent to?
One cycle or a double bond
What element is represented by the electron configuration [Ne] 3S1?
Sodium
What is the most condensed structure for the following molecule?
,(C2H5)2C(CH3)2
What is a seven carbon-containing alkane called?
Heptane
Which option is not a constitutional isomer of the given molecule?
Choice D
What contains an ether linkage?
Option ii
What is the classification of nitrogen on structure vi?
Tertiary
What is the definition of primary, secondary, tertiary, and quaternary amines?
Based on the number of carbons attached to N.
What is the definition of primary, secondary, and tertiary alcohols?
Based on the carbons attached to the carbon that bears the -OH group.
What is the name of the compound 4,7-diethyl-3,5-dimethyldecane?
Longest carbon chain has 10 carbons.
What is the base formula for a molar mass of 70 using the rule of 13?
C5H10
What does the presence of 77 m/z value correspond to in mass fragmentation?
Phenyl.
What is the expected chemical shift for the indicated proton on the 1H NMR spectrum?
2 - 3 ppm.
What is the index of hydrogen deficiency in the formula C3H6?
1
What type of bond is present in the molecule PH3?
Covalent
What is the element represented by the electron configuration [Ne] 3S1?
Sodium
What is the name of a seven carbon-containing alkane?
Heptane
What is the correct Kekulé structure for COCl2?
Structure B
What is the hybridization of the indicated Oxygen atom?
sp3
What is the name of the alkyl fragment labeled in the circle?
Isopropyl.
Which compound is responsible for the 1H-NMR spectrum C?
Choice C.
If the fuel efficiency of an automobile is 22 miles per gallon, what is its fuel efficiency in
Kilometers per liter? ( 1Km= 0.621 mile, 1.00 L=1.057 quarts and 4 quarts = 1 gallon)
9.4 Km/L
*What is the correct answer to the following expression:
(49.1 - 42.61 ) x 13.1?
85
An intensive property of a substance is independent of amount.
True
, Lithium has two stable isotopes with masses of 6.01512 amu and 7.01600 amu. The average
atomic mass of Li is 6.941 amu. What is the percent abundance of each isotope?
7.493% Li-6 and 92.51% Li-7
C3H8 + O2 --> CO2 + H2O (unbalanced) How many grams of oxygen are required to burn
36.0 grams of C3H8?
131 g
*There are __________ mol of bromide ions in 0.500 L of a 0.500 M solution of AlBr3
We put 0.250 - WRONG
FIGURED OUT 0.75
Aluminum reacts with chlorine to produce aluminum chloride. If 2.00 moles of Al reacts
with excess Cl2, how many grams of AlCl3 can be formed?
Al + Cl2 -----> AlCl3 . ( unbalanced)
266 g
A mixture of MgCO3 and MgCO3.3H2O has a mass of 2.883 g. After heating to drive off
all the water the mass is 2.427 g. What is the mass percent of MgCO3.3H2O in the
mixture?
40.4
A precipitation is expected when an aqueous solution of sodium iodide is added to an
aqueous solution of
Mercury(I) chloride
For the reaction
Pb(s) + PbO2(s) + 2 H+(aq) + 2HSO4-(aq) -->2PbSO4(s) + 2H2O(l)
The oxidizing agent ( be specific) is ________
Pb in PbO2
Based on the equations below, which metal is the least active?
Pb(NO3)2(aq) + Ni (s) --> Ni(NO3)2 (aq)+ Pb(s)
Pb(NO3)2(aq) + Ag(s) --> No reaction
Cu(NO3)2(aq) + Ni(s) --> Ni(NO3)2(aq) + Cu(s)
Cannot be determined
Calculate the molarity of the solution that contains 40.0 g of NaOH in 100. mL of solution
10.0 M
*What volume of 0.150 M H2SO4 is required to titrate 50.0 mL of 1.00 M NaOH?
167 mL
How many chloride ions (Cl-1) are present in 83.6 g FeCl3?
I put 3.10 x 10^23 - WRONG
FOUND 9.31 x 10^23
Which of the following particles will not be deflected by charged plates?
γ (gamma) particle
TO KNOW:
alpha particle = positive
beta particle = negative
gamma particle = no charge
(2026–2027) Latest Verified Questions &
Answers | Organic Chemistry(Portage
Learning)
How many protons, neutrons, and electrons are present in the Na atom?
11 protons, 12 neutrons, 11 electrons
How many valence electrons are there in Chlorine?
7
What is not a constitutional isomer of the following molecule?
Structure D
What structures are very strongly UV active?
Structures iii and v
What is the tertiary alcohol?
Structure iv
What functional groups are present in the following molecule?
Alkene, ketone, amine
What structures would give a strong peak at 1700 cm-1 in the IR spectrum?
Structures i and ii only
What is the base formula for a molar mass of 70?
C5H12
What is the degree of unsaturation in the following molecule?
2
What functional group is responsible for the IR spectrum?
Carboxylic acid
What is the chemical shift you expect for the indicated proton on the 1H NMR spectrum?
5 - 7 ppm
What is the name of the following alkyl fragment labeled in the circle?
Isopropyl
How many signals/sets of peaks will there be in the 1H-NMR for this molecule?
Six
What is the multiplicity of the indicated proton?
Triplet
How many signals will there be in the 13C-NMR spectrum?
5
What is the electronegativity difference between P and H in PH3?
0
What is one degree of unsaturation equivalent to?
One cycle or a double bond
What element is represented by the electron configuration [Ne] 3S1?
Sodium
What is the most condensed structure for the following molecule?
,(C2H5)2C(CH3)2
What is a seven carbon-containing alkane called?
Heptane
Which option is not a constitutional isomer of the given molecule?
Choice D
What contains an ether linkage?
Option ii
What is the classification of nitrogen on structure vi?
Tertiary
What is the definition of primary, secondary, tertiary, and quaternary amines?
Based on the number of carbons attached to N.
What is the definition of primary, secondary, and tertiary alcohols?
Based on the carbons attached to the carbon that bears the -OH group.
What is the name of the compound 4,7-diethyl-3,5-dimethyldecane?
Longest carbon chain has 10 carbons.
What is the base formula for a molar mass of 70 using the rule of 13?
C5H10
What does the presence of 77 m/z value correspond to in mass fragmentation?
Phenyl.
What is the expected chemical shift for the indicated proton on the 1H NMR spectrum?
2 - 3 ppm.
What is the index of hydrogen deficiency in the formula C3H6?
1
What type of bond is present in the molecule PH3?
Covalent
What is the element represented by the electron configuration [Ne] 3S1?
Sodium
What is the name of a seven carbon-containing alkane?
Heptane
What is the correct Kekulé structure for COCl2?
Structure B
What is the hybridization of the indicated Oxygen atom?
sp3
What is the name of the alkyl fragment labeled in the circle?
Isopropyl.
Which compound is responsible for the 1H-NMR spectrum C?
Choice C.
If the fuel efficiency of an automobile is 22 miles per gallon, what is its fuel efficiency in
Kilometers per liter? ( 1Km= 0.621 mile, 1.00 L=1.057 quarts and 4 quarts = 1 gallon)
9.4 Km/L
*What is the correct answer to the following expression:
(49.1 - 42.61 ) x 13.1?
85
An intensive property of a substance is independent of amount.
True
, Lithium has two stable isotopes with masses of 6.01512 amu and 7.01600 amu. The average
atomic mass of Li is 6.941 amu. What is the percent abundance of each isotope?
7.493% Li-6 and 92.51% Li-7
C3H8 + O2 --> CO2 + H2O (unbalanced) How many grams of oxygen are required to burn
36.0 grams of C3H8?
131 g
*There are __________ mol of bromide ions in 0.500 L of a 0.500 M solution of AlBr3
We put 0.250 - WRONG
FIGURED OUT 0.75
Aluminum reacts with chlorine to produce aluminum chloride. If 2.00 moles of Al reacts
with excess Cl2, how many grams of AlCl3 can be formed?
Al + Cl2 -----> AlCl3 . ( unbalanced)
266 g
A mixture of MgCO3 and MgCO3.3H2O has a mass of 2.883 g. After heating to drive off
all the water the mass is 2.427 g. What is the mass percent of MgCO3.3H2O in the
mixture?
40.4
A precipitation is expected when an aqueous solution of sodium iodide is added to an
aqueous solution of
Mercury(I) chloride
For the reaction
Pb(s) + PbO2(s) + 2 H+(aq) + 2HSO4-(aq) -->2PbSO4(s) + 2H2O(l)
The oxidizing agent ( be specific) is ________
Pb in PbO2
Based on the equations below, which metal is the least active?
Pb(NO3)2(aq) + Ni (s) --> Ni(NO3)2 (aq)+ Pb(s)
Pb(NO3)2(aq) + Ag(s) --> No reaction
Cu(NO3)2(aq) + Ni(s) --> Ni(NO3)2(aq) + Cu(s)
Cannot be determined
Calculate the molarity of the solution that contains 40.0 g of NaOH in 100. mL of solution
10.0 M
*What volume of 0.150 M H2SO4 is required to titrate 50.0 mL of 1.00 M NaOH?
167 mL
How many chloride ions (Cl-1) are present in 83.6 g FeCl3?
I put 3.10 x 10^23 - WRONG
FOUND 9.31 x 10^23
Which of the following particles will not be deflected by charged plates?
γ (gamma) particle
TO KNOW:
alpha particle = positive
beta particle = negative
gamma particle = no charge
