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Chapter 1: Q12. (page 22)

Question: Follow the curved arrows to draw a second resonance structure for each species.

a.

b.

Short Answer

Expert verified

Answer

a.

b.

Step by step solution

01

Step-by-Step Solution Step 1: Resonance structures

The compounds which can be constructed in Lewis structures and depict electron bonds are named resonating structures. The formal charges and respective bonds are presented.

02

Curved arrow mechanism

The head and tail part of the arrow represents the origin and transfer of electrons. This arrow mechanism helps to identify the movement of electrons and the bonds involved in formation and breakdown.

03

 Step 3: Determination of second resonance structure

a, When electrons move, a positive and negative charge is produced in carbon and oxygen atoms, respectively.


The second resonance structure of a

b, When the negative charge on carbon shifts on the carbon-carbon bond, a double bond forms. Further, electrons of double bond shift, and a single bond replace the double bond in the structure formed.

The second resonance structure of b

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Most popular questions from this chapter

Question: Assign formal charges to each carbon atom in the given species. All lone pairs have been drawn in.

a.

b.

c.

d.

Question: Rank the following bonds in order of increasing bond length.

Question: Show the direction of the dipole in each bond. Label the atoms with CH3Brandδ-.

a.

b.

c.

d.

Question: Answer the following questions about compound A:

  1. Label the shortest single bond.
  2. Label the longest single bond.
  3. Considering all the bonds, label the shortest bond.
  4. Label the weakest bond.
  5. Label the strongest bond.
  6. Explain why bond [1] and bond [2] are different in length, even though they are both single bonds.

Question: How many hydrogen atoms are present around each highlighted carbon atom in the following molecules? What is the molecular formula for each molecule? Both compounds are active ingredients in some common sunscreens.
See all solutions

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