JEE CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

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Analyzing +4 | -1

In which of the following have higher difference in the value of IInd and IIIrd I.P.

View answer and explanation

Correct option: C

1{s}^2 2 {s}^2 2 {p}^6 3 {s}^1

Option C (

1{s}^2 2 {s}^2 2 {p}^6 3 {s}^1

) is correct because removing the second electron from

Na^+

requires breaking the stable noble gas configuration, leading to a large jump in ionization potential.

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