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Assertion (A): `IE_(1)` of `N` is lower than `O`. Reason (R ) : Across a period `Z_(eff)` decrease.A. If both Assertion (A) and (R ) are correct and Reason (R ) is the correct explanation of Assertion (A).B. If both (A) and (R ) are correct but (R ) is not the correct explanation for (A).C. If (A) is correct but (R ) is not correct.D. If both (A) and (R ) are correct |
Answer» Correct Answer - C Correct assertion: `IE_(1)` of `IE_(1)` of `O`, due to stable half-filled configuration of `N`. Correct reason: `Z_(eff)` increases across a period. |
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