Given below are two statements: One is labell | vedclass

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(D) Zero overlap occurs when the orbitals do not have the proper symmetry or orientation to overlap effectively. Assertion $A$ is false because zero o

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$A$ is false but $R$ is true.

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(D) Zero overlap occurs when the orbitals do not have the proper symmetry or orientation to overlap effectively. Assertion $A$ is false because zero overlap is not necessarily an out-of-phase overlap (which refers to destructive interference of wave functions). Zero overlap often occurs due to improper orientation or symmetry,such as the overlap between $s$ and $p_y$ orbitals along the $x$-axis. Reason $R$ is true because zero overlap is indeed caused by the different orientation or direction of approach of the orbitals relative to each other,as shown in the provided figure where $p_x$ and $p_y$ orbitals do not overlap effectively. Therefore,$A$ is false but $R$ is true.

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