JEE Main 2003 — d and f Block Elements Question with Solution
JEE Main 2003
Question
A reduction in atomic size with increase in atomic number is a characteristic of element of
Choose an option
Show full solutionCorrect option: B
Correct answer
Bf-block
Step-by-step explanation
f-block elements show a regular decrease in atomic size due to lanthanide/actinide contraction.
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the d and f Block Elements 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 2003, covering the d and f Block Elements 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.