Question

Consider the resonance structures for the carbonate ion.

O--C-O(-)
l
O(-)

(-)O-C--O
l
O(-)

(-)O-C-O(-)
l
l
O
How much negative charge is on each oxygen of the carbonate ion?
A)0,
B) -.33,
C)-.50,
D) -.67,
E)-1.00,
F)-1.33,
G)-1.50,
H)-1.67,
I)-2.00

What is the bond order of each carbon oxygen bond in the carbonate ion?
A)0,
B).33,
C).50,
D).67,
E)1.00,
F)1.33,
G)1.50,
H)1.67,
I)2.00,
J)4.00

Answer 1

for the second one it's F) 1.33

Answer 2

First one is D) -0.67