Verified Solution • 2025–26 Session moderate

QJEEM24Ch57d5: JEE Main 2024 Chemistry - Class 11 JEEM24Ch57d5 Solution: The correct order of the first ionization enthalpy is

The correct order of the first ionization enthalpy is

Multiple Choice Options

  • A Ga>Al>B\mathrm{Ga}>\mathrm{Al}>\mathrm{B}
  • B Tl>Ga>Al\mathrm{Tl}>\mathrm{Ga}>\mathrm{Al}
  • C Al>Ga>Tl\mathrm{Al}>\mathrm{Ga}>\mathrm{Tl}
  • D B>Al>Ga\mathrm{B}>\mathrm{Al}>\mathrm{Ga}

Step-by-Step Verified Solution

I. E1\mathrm{E}_1 of TI=589 kJ/mol\mathrm{TI}=589 \mathrm{~kJ} / \mathrm{mol}

I. E1\mathrm{E}_1 of Ga=579 kJ/mol\mathrm{Ga}=579 \mathrm{~kJ} / \mathrm{mol}

I. E1\mathrm{E_1} of Al=577 kJ/mol\mathrm{Al}=577 \mathrm{~kJ} / \mathrm{mol}

Related Learning Resources & Exam Preparation

JEE Main PYQ Question Bank
Browse year-wise authentic previous years' questions with solutions
Authentic CBT Mock Tests
Simulate official exam environment with live timer and percentile scoring