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Chapter 1: Q13. (page 22)

Question: Use curved arrow notation to show how the first resonance structure can be converted to the second.

a.

b.

Short Answer

Expert verified

Answer

a.

b.

Step by step solution

01

Step-by-Step Solution  Step 1: Curved arrow mechanism

The curved arrows portray the electrons’ movement, and the bond breaking and forming processare explained. The tail part of the arrow displays the origination of the electron.

02

Representation of curved arrow mechanism

a. For the formation of the second resonance structure, the electrons in the double bond get shifted to the carbon-carbon bond. A double bond formation happens, and the positive charge on carbon gets shifted.


The curved arrow mechanism of the first structure

b. The negative charge on oxygen shifts to the carbon-oxygen bond, which tends to move the electrons in the double bond. Hence, a double bond is formed first, followed by a single bond.


The curved arrow mechanism of the second structure

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Most popular questions from this chapter

Question: Draw in all the carbon and hydrogen atoms in each molecule.

a.

b.

c.

d.

Question: Add curved arrows to show how the first resonance structure can be converted into the second.

a.

b.

Question: How many covalent bonds are predicted for each atom?

a.Ob.Alc.Brd.Si

Question: Draw a skeletal structure for the molecules in parts (a) and (b), and a condensed structure for the molecules in parts (c) and (d).

a.

b.

c.

d.

Question: Consider compounds A–D, which contain both a heteroatom and a double bond. (a) For which of the compounds are no additional Lewis structures possible? (b) When two or more Lewis structures can be drawn, draw all additional resonance structures.
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