Which of the following statement(s) is/are incorrect? (i) Ionization enthalpy is expressed in units of kJ mol⁻¹. (ii) Ionization enthalpy is always positive. (iii) Second ionization enthalpy will be higher than the third ionization enthalpy.
- AOnly (ii)
- BOnly (iii)
- C(ii) and (iii)
- DNone of these
✓ Correct answer: B
Want the full step-by-step reasoning?