3. CH 3 CH CH 3 CH C CH 3 CH C C CH 3 CH C CH 3 CH CH 3

4. Cis – retinal

5. Trans – retinal

8. Example : CH 3 – CH ═ CH – CH 3 -------------→ 2 - butene CH 2 ═ CH – CH 2 – CH 3 -------------→1 - butene

11. Example : 1,2 – dichloroethene C ═ C Cl H H

12. Example : 1,2 - dichloroethene C ═ C Cl H H

14.  All will be given a chance 2 answer  I will be D’ one flashing instructions on screen  Then, U will be doing Ur all, to comply with the given instructions.  U will be doing it first on Ur notebook, then if you are done U just have 2 “shout out” your name 2 class and said “I can answer that ma’am espie”  U will be given 20 seconds 2 answer on D’ board.  3 points will be added on your quizzes or exercises for every correct answer.  Good luck everyone!!!

15. O║O║ Draw the CIS and TRANS isomers of 1,2 – difluoroethene C ═ C FF HH FH HF

17. O║O║ Draw the CIS and TRANS isomers of the molecular formula C 6 H 12 or 3 – hexene C ═ C CH 3 – CH 2 CH 2 – CH 3 HH C ═ C H CH 2 – CH 3 CH 3 – CH 2 H

18. O║O║ C ═ C CH 3 – CH 2 CH 2 – CH 3 HH C ═ C H H

19. O║O║ CH 3 – CH 2 CH 2 – CH 3 Br C ═ C H H Cl

20. O║O║ Draw the CIS and TRANS isomers of the molecular formula C 6 H 10 F 2 double bond is located at carbon 3 C ═ C CH 3 – CH 2 CH 2 – CH 3 FF C ═ C F CH 2 – CH 3 CH 3 – CH 2 F

21. O║O║ C ═ C 3 HC CH 2 – CH 3 Cl C ═ C H H Cl