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Chapter 17: Q.43. (page 641)

Question: Draw additional resonance structures for each species.

Short Answer

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Answer

a.

b.

c.

Step by step solution

01

Resonance structures

Several structures can be employed to detail bonding in a particular molecule, and such structures are resonance structures. Another name that is employed to denote resonance structures is canonical structures.

02

Cyclic compounds

Cyclic compounds are compounds where one or several atoms are connected like a ring. There are several cyclic compounds, and some of them include cyclopropane and cyclohexane.

03

Additional resonance structures for each species

a. The additional resonance structures of cyclopropenyl radical can be given as:

Additional resonance structure of cyclopropenyl radical

b. The additional resonance structures of pyrrole can be given as:

Additional resonance structures of pyrrole

c. The additional resonance structures of phenanthrene can be given as:

Additional resonance structures of phenanthrene

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Most popular questions from this chapter

Question: Draw the structure corresponding to each name

  1. isobutyl benzene
  2. o-dichlorobenzene
  3. cis-1,2-diphenylcyclohexane
  4. m-bromoaniline
  5. 4-chloro-1,2-diethylbenzene
  6. 3-tert-butyl-2-ethyltoluene

Question: The purine heterocycle occurs commonly in the structure of DNA.

a. How is each N atom hybridized?

b. In what type of orbital does each lone pair on a N atom reside?

c. How many πelectrons does purine contain?

d. Why is purine aromatic?

Question:

a. Draw all reasonable resonance structures for pyrrole and explain why pyrrole is less resonance stabilized than benzene.

b. Draw all reasonable resonance structures for furan and explain why furan is less resonance stabilized than pyrrole.

Give the IUPAC name for each compound.

(a)

(b)

(c)

(d)

Question: Classify each compound as aromatic, antiaromatic, or not aromatic.
See all solutions

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