Which of the following electronegativity order is incorrect?

1. $\mathrm{Mg} \lt \mathrm{Be} \lt \mathrm{B} \lt \mathrm{N}$
2. $\mathrm{S} \lt \mathrm{Cl} \lt \mathrm{O} \lt \mathrm{F}$
3. $\mathrm{Al} \lt \mathrm{Si} \lt \mathrm{C} \lt \mathrm{N}$
4. $\mathrm{Al} \lt \mathrm{Mg} \lt \mathrm{B} \lt \mathrm{N}$

Asked in: JEE Main 2025 (22 Jan Shift 1)

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