JEE Main 2009 — Classification of Elements and Periodicity in Properties Question with Solution
JEE Main 2009
Question
In which of the following arrangements, the sequence is not strictly according to the property written against it ?
Choose an option
Show full solutionCorrect option: C
Correct answer
C : increasing basic strength
Step-by-step explanation
Correct basic strength is
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Classification of Elements and Periodicity in Properties chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.
Solve interactively →About this question
This is a previous-year question from JEE Main 2009, covering the Classification of Elements and Periodicity in Properties chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.