Lecture 21 (Group 17, etc.)

Question 1

What is a stereochemically inactive lone pair?

Answer 1

a lone pair that does not appear to have an impact on stereochemistry

Question 2

What is a characteristic of halogen oxides?

Answer 2

They are thermodynamically unstable (have positive standard enthalpies of formation; are endothermic compounds)

Question 3

Perchlorates are weakly coordinating anions. What are weakly coordinating anions?

Answer 3

they interact weakly with cations; do not form strong coordinative bonds