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Chapter 20: Q49E (page 1145)

Write the two-resonance structures for the acetate ion.

Short Answer

Expert verified

Resonance structures of acetate ion are as shown in the figure:

Step by step solution

01

Resonance structure

Resonance structures are structures of a planar molecule /ion that have alternative pi-bonded electrons. The relative position of the atoms does not change in these structures.

02

Acetate

Acetate is an anion made from acetic acid that has lost its acidic proton. It's negatively charged.

Resonance structures are shown down below.

Electrons from the third lone pair on a negatively charged\(O\)atom form a new\(\pi \)bond between\(O\)and C.

Simultaneously, electrons from the C-O existing\(\pi \)bond hop on oxygen, form a third lone pair, and make it negatively charged.

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