દ્વિતીય આવર્તના તત્ત્વો માટે, પ્રથમ આયનીકરણ એન્થાલ્પીનો સાચો ચઢતો ક્રમ શોધો.

b For same shell $\left[s^{1} < p^{1} < s^{2} < p^{2} < p^{4} < p^{3} < p^{5} < p^{6}\right]$ $B < B e < C < O < N < F < N e$

Question

A$\mathrm{Li} < \mathrm{Be} < \mathrm{B} < \mathrm{C} < \mathrm{N} < \mathrm{O} < \mathrm{F} < \mathrm{Ne}$
B$\mathrm{L} < \mathrm{B} < \mathrm{Be} < \mathrm{C} < \mathrm{O} < \mathrm{N} < \mathrm{F} < \mathrm{Ne}$
C$\mathrm{Li} < \mathrm{B} < \mathrm{Be} < \mathrm{C} < \mathrm{N} < \mathrm{O} < \mathrm{F} < \mathrm{Ne}$
D$\mathrm{Li} < \mathrm{Be} < \mathrm{B} < \mathrm{C} < \mathrm{O} < \mathrm{N} < \mathrm{F} < \mathrm{Ne}$

NEET 2019, Medium

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Solution

b
For same shell

$\left[s^{1} < p^{1} < s^{2} < p^{2} < p^{4} < p^{3} < p^{5} < p^{6}\right]$

$B < B e < C < O < N < F < N e$

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