SECTION 1.4 DIFFICULTY LEVEL
25. Which of these molecules are polar?
HINT: look for the presence of at least one polar covalent bond in these molecules!
O
CH
2
CH
2
C
H
H
CH
2
Cl
2
CH
3
CH
3
CH
3
OH
I
II
III
IV
V
a) III, IV, V
b) I, IV
c) II, III, V
d) I, III
Answer: c