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Chapter 1: Q10. (page 20)

Question: Classify each pair of compounds as isomers or resonance structures

a.

b.

Short Answer

Expert verified

Answer

  1. Isomers
  1. Resonance structures

Step by step solution

01

Step-by-Step Solution Step 1: Identify the isomers

Isomers are distinct compounds with a similar molecular formula; for the same molecular formula, the elements’ arrangement differs in different isomers.

02

Identify the resonance structures

Resonance structures differ only in the position of electrons and multiple bonds. The position of different elements remains the same in all resonance structures of the compound

03

Differentiate between the given compounds as isomers and resonance structures

a. In the given pair of compounds, the arrangement of elements is different. From the explanation of resonance structures, it is clear that the resonance structures cannot differ in the respective position of atoms.

Pairs of isomers

b. The given pair of compounds differ only in the position of the lone pair of electrons and the multiple bonds. Hence, the given pairs are resonance structures

Pairs of resonance structures

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Most popular questions from this chapter

Question: Determine the hybridization around the highlighted atoms in each molecule.

a.

b.

c.

Question: Draw an acceptable Lewis structure for each compound, assuming the atoms are connected as arranged. Hydrogen cyanideHCNis a poison, formaldehyde H2COis a preservative, and glycolic acid OHCH2CO2His used to make dissolving sutures.

a.HCNHCNb.HC2OHCOHc.OHCH2CO2HOHHOCCOHH

Question: The unmistakable odor of a freshly cut cucumber is largely due to cucumber aldehyde. (a) How many sp2hybridized carbon atoms does cucumber aldehyde contain? (b) What is the hybridization of the O atom? (c) What orbitals are used to form the carbon-oxygen double bond? (d) How many σbonds does cucumber aldehyde contain? (e) How many bonds does it contain?

Question: Use the ball-and-stick model to answer each question about carbidopa, a drug used in combination with l-dopa to treat Parkinson’s disease.

a. Draw a skeletal structure of carbidopa

b. Determine the hybridization around each carbon atom.

c. What is the hybridization and geometry around each N atom?

d. How many polar bonds are present?

Question: Convert the following condensed formulas into skeletal structures:

a.CH3CONHCH3c.(CH3)COHe.CH3COCH2CO2Hb.CH3COCH2Brd.CH3COClf.HO2CCH(OH)CO2H
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