Solutions/Answers to Exercises

Exercise 1. Using only the periodic table, order the following from shortest to longest bond length. C-Cl, C-P, and C-S.

C-Cl < C-S < C-P

Exercise 2. Using only the periodic table, order the following from lowest to highest bond strength. C-Cl, C-P, C-S.

C-P < C-S < C-Cl

Exercise 3. Which of the following molecules have the strongest carbon-carbon bond?

CH₃CH=CHCH₃, C₃H₈, HC≡H, H₂C=O.

HC≡H

Exercise 4. Which of the following bonds is more easily broken?

H-N, N-N, N=N, N≡N

H-N

Exercise 5. Which bond would have the highest bond dissociation energy?

H₃C-CH₃, HC≡CH, H₂C=CH₂, Cl₂C=CCl₂

HC≡CH

Back to Bond Length and Bond Strength