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Chapter 1: Q52. (page 55)

Question: Draw all reasonable resonance structures for each species.

a.O3-b.NO3-(acentralNatom)c.N3-

d.

e.

Short Answer

Expert verified

Answer

a.

b.

c.

d.

e.

Step by step solution

01

Step-by-Step Solution Step 1: Resonance structures

Resonance structures are contrasting in the position of double bonds and lone pairs of electrons. The position of the elements is unaltered.

02

The position of multiple bonds and lone pairs

The electrons move in the direction of multiple bonds, and the double bond also moves in the same direction. The lone pair's movement creates a double bond, and the movement of the double bond creates the electron density.

03

Resonance structures of the compounds

a. Ozone has two resonance structures. The position of multiple bonds and hence the lone pairs are interchanged to obtain the two resonance structures.


Representation of two resonance structures

b. NO3-has three resonance structures. The position of multiple bonds and hence the lone pairs are interchanged to obtain the three resonance structures.


Representation of three resonance structures

c. N3-has three resonance structures.


Representation of three resonance structures

e. Three resonance structures are obtained for the given compound.

Representation of three resonance structures

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Most popular questions from this chapter

Question: Draw Lewis structures for each molecular formula.

a. C2H4Cl2( two isomers)

b. C3H8O (three isomers)

c. C3H6 (two isomers)

Question: Label the polar bonds in each molecule. Indicate the direction of the net dipole (if there is one).

a.CHBr3b.CH3CH2OCH2CH3

c.

d.

Question: Draw in all hydrogens and lone pairs on the charged carbons in each ion.

a.

b.

c.

d.

Question: Considering structures, A–D, classify each pair of compounds as isomers, resonance structures, or neither: (a) A and B; (b) A and C; (c) A and D; (d) B and D.

Question: Benzene is the simplest member of a whole class of compounds called aromatic hydrocarbons.

a. How is each carbon atom hybridized?

b. What is the geometry around each carbon atom? What is the overall geometry of the benzene ring?

c. Follow the indicated curved arrow notation to draw a second resonance structure.


d. Benzene and other aromatic hydrocarbons are shown in Chapter 17 to be very stable. Offer an explanation.

See all solutions

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