Chemical Bonding - Result Question 29

####4. The nodal plane in the π-bond of ethene is located in

(a) the molecular plane

(2002, 3M)

(b) a plane parallel to the molecular plane

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

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

Show Answer

Answer:

Correct Answer: 4. (a)

Solution:

Pi bond is formed by the p-orbitals whose lobes have minima in the plane of molecule, hence molecular plane is the nodal plane of pi-bond.

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