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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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Most popular questions from this chapter

Alcohols\(A,B\) , and \(C\) all have the composition \({C_4}{H_{10}}O.\) Molecules of alcohol A contain a branched carbon chain and can be oxidized to an aldehyde; molecules of alcohol B contain a linear carbon chain and can be oxidized to a ketone; and molecules of alcohol C can be oxidized to neither an aldehyde nor a ketone. Write the Lewis structures of these molecules.

Write the chemical formula and Lewis鈥檚 structure of the following, each of which contains five carbon atoms: (a) an alkane (b) an alkene (c) an alkyne

Isooctane is the common name of the isomer of\({C_8}{H_{18}}\)used as the standard of 100 for the gasoline octane rating:

(a) What is the IUPAC name for the compound?

(b) Name the other isomers that contain a five-carbon chain with three methyl substituents.

Write the two resonance structures for the pyridinium ion, \({C_5}{H_5}N{H^ + }. \)

Write structures for the three isomers of the aromatic hydrocarbon xylene,\({C_6}{H_4}{\left( {C{H_3}} \right)_2}\)
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