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Question

Assertion: The plots of the probability density and the radial probability function versus distance r from the nucleus for any particular orbital are not identical.

Reason: Probability density is ψ2 whereas radial probability function represents the probability of finding electrons in a shell of thickness dr.

A
Both the assertion and the reason are true and the reason is the correct explanation of the assertion.
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B
Both the assertion and the reason are true and the reason is not the correct explanation of the assertion.
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C
The assertion is true but the reason is false.
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D
Both the assertion and the reason are false.
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Solution

The correct option is A Both the assertion and the reason are true and the reason is the correct explanation of the assertion.
Both the plots are not identical. The probability density (ψ2) is along the radial distance whereas the radial probability function (4πr2ψ2) is the probability in a shell of thickness dr.
Hence, the reason is the correct explanation of the assertion.

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