JEE Main 2025 Chemistry question

ChemistryClassification of Elements and Periodicity in PropertiesJEE Main 2025

Consider the following elements In, Tl, Al, Pb, Sn and Ge. The most stable oxidation states of elements with highest and lowest first ionisation enthalpies, respectively, are

Answer: (2)

Solution

Ge has highest IE1 (stable oxidation state +4), In has lowest IE1 (stable oxidation state +3)

Question ID VK-002183