11. Bonding & Molecular Structure

Which of the two compounds, H₂NNH₂ and HNNH, has the strongest nitrogen-nitrogen bond, and which has the shorter nitrogen-nitrogen bond?

How many sigma and pi bonds, respectively, are in this carboxylic acid?

How many of the following molecules contain at least one pi bond? C₂H₆ Cl₂CO C₂Cl₄ HCN

Draw the Lewis structure for the molecule CH₂CHCH₃. How many sigma and pi bonds does it contain?

The carbon-carbon bond in C₂H₂ contains ________ σ and ________ π bonds.

For each statement, indicate whether it is true or false. (a) The greater the orbital overlap in a bond, the weaker the bond. (b) The greater the orbital overlap in a bond, the shorter the bond.