Assertion : Third ionisation energy of phosphorous is larger than sulphur. Reason : There…
Chemistry · JEE Advanced · NTA Exams — Classification of Elements and Periodicity in Properties
Assertion : Third ionisation energy of phosphorous is larger than sulphur.
Reason : There is a larger amount of stability associated with filled s- and p- sub-shells (a noble gas electron configuration) which corresponds to having eight electrons in the valence shell of an atom or ion.
Reason : There is a larger amount of stability associated with filled s- and p- sub-shells (a noble gas electron configuration) which corresponds to having eight electrons in the valence shell of an atom or ion.
- If both assertion and reason are correct and reason is the correct explanation of assertion.
- If both assertion and reason are true but reason is not the correct explanation of assertion.
- If assertion is true but reason is false.
- If assertion is false but reason is true.
Answer
(D) If assertion is false but reason is true.
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