Which of the following molecules is both planar and linear

1.	Which of the following molecules is both planar and linear
Answer» `CH_(2)=CH-CH=CH_(2)` `CH-=C-C-=C-H` `CH_(3)-C-=C-C-=C-CH` `CH_(2)=C=CH_(2)` SOLUTION :`CH-= C-C-=C-H`

Discussion