Assertion : For a 2p-orbtial, the probability density function is zero on the plane where the two lobes touch each other.
Reason : Such a plane is called nodal plane.

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Both (A) and (R) are true but (R) is not the correct explanation of (A)

Both (A) and (R) are true and (R) is the correct explanation of (A)

Both (A) and (R) are false

(A) is true but (R) is false

answer is B.

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Detailed Solution

Since there is only ever one interaction between a photon and a molecule, the electron density surrounding the nucleus is defined by the probability density zone.
The region where the probability density function falls to zero, or the region where there are no electrons, is known as a nodal surface.
An atomic orbital is mathematically represented by a wave function.
The Nodal surfaces are it.

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