We are being asked to identify the resonance structures of acetate ion (CH3CO2-).
We will have to draw the Lewis Structure of CH3CO2- first.
Step 1: Determine the central atom in this molecule.
• C and H are less electronegative than O but H can only make one bond
• C is the central atom and is bonded to the other C atom
Step 2: Calculate the total number of valence electrons present.
Group Valence Electrons
C 4A 4 valence e‑ x 2
H 1A 1 valence e‑ x 3
O 6A 6 valence e- x 2
= 23 valence e‑
-1 charge +1 e-
Total = 24 valence e-
Step 3: Draw the Lewis Structure for the molecule
• O and C → prefers to have complete octet (8 e- around them)
Show resonance structures for acetate ion (CH 3CO2-)
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Resonance Structures concept. You can view video lessons to learn Resonance Structures. Or if you need more Resonance Structures practice, you can also practice Resonance Structures practice problems.
What is the difficulty of this problem?
Our tutors rated the difficulty ofShow resonance structures for acetate ion (CH 3CO2-)...as medium difficulty.
How long does this problem take to solve?
Our expert Chemistry tutor, Dasha took 2 minutes and 21 seconds to solve this problem. You can follow their steps in the video explanation above.
What professor is this problem relevant for?
Based on our data, we think this problem is relevant for Professor Hanlan's class at SFU.