CH 11 assignment

Chapter 11 Review Assignment

A formula that shows the arrangement of all bonds in a molecule is called a(n) ________.
A) molecular formula
B) expanded structural formula
C) condensed structural formula
D) condensed molecular formula
E) isomeric formula
Answer: B

In the three-dimensional structure of methane, , the hydrogen atoms attached to a carbon
atom are aligned ________.
A) in a straight line
B) at the corners of a square
C) at the corners of a tetrahedron
D) at the corners of a rectangle
E) at the corners of a cube
Answer: C

Which of the following is not typical of most hydrocarbons?
A) high melting point
B) poor solubility in water
C) low boiling point
D) covalent bonding
E) high flammability
Answer: A

How many valence electrons does carbon have?
A) one
B) two
C) three
D) four
E) five
Answer: D

An organic compound composed of carbon and hydrogen connected only by single bonds is an
________.
A) alkane
B) alkene
C) alkyne
D) aromatic compound
E) alcohol
Answer: A

Which of these formulas is the expanded structural formula for an alkane with three carbon
atoms?

, A)

B)

C) — —

D) C— C— C

E) H H H

H- - - -H


Answer: E

What is the condensed structural formula for an alkane with four carbon atoms?
A) —CH CH—

B) —

C)

D) C—C—C—C

E) H H H H

H- - - - -H


Answer: B


What is the IUPAC name of this compound?

- - - -

A) pentane
B) hexane
C) heptane
D) octane
E) methylbutane
Answer: A