CHM 2045C Pretest #1 Name: __Answers____

 

Module Four: Part L Bond Angles 10 points

What is the bond Angle in the following structures:

_s#4=109.5___1. _ s#4=109.5___4.

_ s#3=120 __2. _ s#3=120 ___ 5.

_ s#4=109.5__3. __s#4=109.5___6.

 

___ s#2=180__7. __ s#4=109.5 __ 8. __ s#4=109.59.

Actual 104.5 Actual 107

 

___10. ____11.

_____ s#3=120__10. _____ s#2=180__10.

 

12. _s#3=120__ 13._s#4=109.5__ 16. __s#4=109.5__

14._s#4=109.5__

15. _s#4=109.5__

 

17. _s#4=109.5__ 20. _s#2=180_

18. _s#3=120____

19. _s#4=109.5__

 

 

Bonus: (You figure these bonus answers)

 

___21. ___23.

___22. ___24.

Steric Numbers do not predict bond angles within rings of carbons, but do for attachments to the ring