Question

The nodal in the π bond of ethene is located in

(a) the molecular plane

(b) a plane parallel to the molecular plane 

(c) a plane perpendicular to the molecular plane which bisects the carbon-carbon sigma bond at right angle

(d) a plane perpendicular to the molecular plane which contains carbon-carbon σ-bond

Answer 1

Correct option is (a) the molecular plane

The molecular plane does not have any π electron density.