JEE Main 2025 Chemistry question

ChemistryClassification of Elements and Periodicity in PropertiesJEE Main 2025

Given below are two statements : Statement (I) : The first ionization energy of Pb is greater than that of Sn Statement(II) : The first ionization energy of Ge is greater than that of Si. In the light of the above statements, choose the correct answer from the options given below :

Answer: (1)

Solution

IE order: C > Si > Ge > Sn < Pb (1086, 786, 761, 708, 715 kJ/mol). Statement I true, Statement II false (Si > Ge).

Question ID VK-002107