es with hydrogen
atoms
Fill the valencies with
C
+
() C c-c=c
(ii)
(
c
C - C = C
/
c
(ii)
c
- C
با
-
1
c - c
С — С
co

es with hydrogen atoms Fill the valencies with C C ccc ii c C C C c ii c C با 1 c c С С co class=