JEE CHEMISTRY MCQ: STRUCTURE OF ATOM

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Analyzing +4 | -1

Assertion :- In hydrogen energy of 4s is more than 3d.

Reason :- An orbital with lower value of

(n+\ell)

has smaller energy than the orbital with higher value of

(n+\ell).

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Correct option: B

If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion

Option B is correct because both the assertion and reason are true, but the reason is not the correct explanation for the assertion. The energy of orbitals in multi-electron atoms depends on both n and l, but the (n+l) rule is an approximation and not always accurate.

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