BDEs

Question 1

Strong bond to break

Answer 1

~100 kcal/mol

Question 2

Weak bond to break

Answer 2

~40 kcal/mol

Question 3

H2 bond strength

Answer 3

104 kcal/mol

Question 4

Sigma CC bond strength

Answer 4

85-90 kcal/mol

Question 5

Sigma bond rotation energy

Answer 5

3 kcal/mol

Question 6

Alkene bond rotation energy

Answer 6

65 kcal/mol

Have to break the pi bond to rotate

Question 7

Alkene bond strength

Answer 7

65 kcal/mol