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CHEM 1001: Spring Term 2006
On-Line PreFinal Module 4 II
Chapters 12 and 19

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Final Exam: Module 4 II and III

Final Exam Quiz Masters:

Mary Tassin (MTassin002@lsua.edu) [Text Input]

John Taylor (jtaylor@lsua.edu) [Consultant]


Multiple Choice [One Answer Only]

Question 1

Which of the following shows a general increasing trend for electronegativity in the periodic table?

a) down a group of nonmetals
b) across a series of metals from right to left
c) across a series of nonmetals from right to left
d) down a group of metals
e) none of the above

Question 2

Hydrogen has an electronegativity value of 2.1. Given the eletronegativity of N, O, and P (3.0, 3.5 and 2.1, respectively), predict which of the following has nonpolar bonds.

a) H2O
b) NH3
c) PH3
d) all of the above
e) none of the above

Question 3

What is the electron pair geometry for a methane molecule, CH4?

a) trigonal pyramidal
b) tetrahedral
c) bent
d) linear
e) none of the above

Question 4

What is the molecular shape of a water molecule, H2O?

a) tetrahedral
b) trigonal pyramidal
c) linear
d) bent
e) none of the above

Question 5

What is the electron pair geometry for an ammonia molecule, NH3?

a) bent
b) trigonal pyramidal
c) linear
d) tetrahedral
e) none of the above

Question 6

What is the electron pair geometry for a carbonate ion, CO32-?

a) trigonal planar
b) tetrahedral
c) linear
d) bent
3) trigonal pyramidal

Question 7

What type of bond is characterized by sharing two pairs of electrons?

a) triple bond
b) electrovalent bond
c) double bond
d) single bond
e) none of the above

Question 8

What is the term for the ability of an atom in a chemical bond to attract a shared electron pair?

a) dipole
b) electronegativity
c) polar attraction
d) delta value
e) none of the above

Question 9

What is the term for a hydrocarbon fragment that results after the removal of a hydrogen atom an aliphatic hydrocarbon?

a) alkyl group
b) carbonyl group
c) carboxyl group
d) amino group
e) none of the above

Question 10

Which of the following hydrocarbons is saturated?

a) alkynes
b) alkenes
c) alkanes
d) all of the above
e) none of the above

Question 11

Which of the following hydrocarbons has a benzene ring?

a) alkanes
b) arenes
c) alkenes
d) all of the above
e) none of the above

Question 12

Which of the following is the condensed structural formula for heptane?

a) CH3-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH3
b) CH3-CH2-CH2-CH2-CH2-CH2-CH2-CH3
c) CH3-CH2-CH2-CH2-CH2-CH2-CH3
d) CH3-CH2-CH2-CH2-CH2-CH3
e) none of the above

Question 13

How many isomers share the molecular formula C4H10?

a) 2
b) 3
c) 4
d) 5
e) 6

Question 14

What is the name of the following alkyl group: CH3-CH2-?

a) isopropyl
b) ethyl
c) propyl
d) methyl
e) butyl

Question 15

What is the IUPAC name for:

a) 3-ethyl-5-methyloctane
b) 5-ethyl-3-methyloctane
c) isooctane
d) 4-ethyl-6-methyloctane
e) none of the above


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