The first ionization enthalpy of Na, Mg and Si, respectively, are: 496, 737 and 786 kJ mol^ -1 . The first ionization enthalpy (kJ mol^ -1 ) of Al is:

JEE Main 2022 Chemistry question

The first ionization enthalpy of Na, Mg and Si, respectively, are: 496, 737 and 786 kJ . The first ionization enthalpy (kJ ) of Al is:

Answer: (3)

The ionisation enthalpy order is Na < Al < Mg < Si, so the value for Al lies

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Question ID VK-035109