The curved arrows in the resonance structure for the acetate ion shown below indicate the following alternative resonance structure for the acetate ion:
A)

D)

B)

E)

C)
Question 2The formal charges in the complex

are:
A)
0 on each H, +1 on N, and 1 on B.
B)
+1 on each H, +1 on N, and 1 on B.
C)
0 on each H, 1 on N, and +1 on B.
D)
0 on each H, 0 on N, and 0 on B.
E)
1 on each H, +3 on N, and +3 on B.
Question 3Which of the following structures is a resonance structure of

:
A)

B)

C)

D)

E)
Question 4The formal charges in the perchlorate ion are:
A)
1 on each O and +3 on the Cl.
B)
0 on each O and 1 on the Cl.
C)
1 on each O and +4 on the Cl.
D)
1/4 on each O and 0 on the Cl.
E)
+1 on each O and 1 on the Cl.
Question 5What is the formal charge of N in HNO
3, as seen below?
A)
+1
B)
+2
C)
0
D)
1
E)
2
Question 6For carbon monoxide,

, O has a formal charge of:
A)
+1
B)
1
C)
0
D)
2
E)
+2
Question 7For carbon monoxide,

, C has a formal charge of:
A)
+1
B)
1
C)
0
D)
2
E)
+2
Question 8The structural formula

has the molecular formula:
A)
C
10H
16 B)
C
9H
16 C)
C
11H
22 D)
C
9H
14 E)
C
10H
18Question 9The structural formula

has the molecular formula:
A)
C
7H
16 B)
C
6H
14 C)
C
7H
14 D)
C
6H
12 E)
C
7H
10Question 10The structural formula for (CH
3CH
2)
2CHCH
2CH(CH
3)
2 is
A)

B)

C)

D)

E)
Question 11Which of the following structural formulas has the molecular formula C
6H
12?
A)
2 and 3
B)
1 and 4
C)
1, 4, and 5
D)
1 and 2
E)
4 and 5
Question 12Which of the following structural formulas does not have the molecular formula C
6H
14?
A)

B)

C)

D)

E)
Question 13The structural formula

has the molecular formula:
A)
C
7H
16 B)
C
6H
14 C)
C
7H
14 D)
C
6H
12 E)
C
7H
10Question 14The structural formula for (CH
3)
2C(CH
2CH
3)
2 is
A)

B)

C)

D)
