JEE Main 2024 Chemistry question
Given below are two statements: Statement I: The correct order of first ionization enthalpy values of Li, Na, F and Cl is Na < Li < Cl < F. Statement II: The correct order of negative electron gain enthalpy values of Li, Na, F and Cl is Na < Li < F < Cl In the light of the above statements, choose the correct answer from the options given below:
Answer: (A)
Solution
IE₁: Na 496 < Li 520 < Cl 1251 < F 1681; electron gain magnitudes: Na 53 < Li 60 < F 328 < Cl 349 kJ mol⁻¹.