PYQ NEET- Classification Of Elements Periodicity L-3

Question: Q.4. For the second period elements the correct increasing order of first ionisation enthalpy is: (2019)#

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

B) $\mathrm{Li}<\mathrm{B}<\mathrm{Be}<\mathrm{C}<\mathrm{N}<\mathrm{O}<\mathrm{F}<\mathrm{Ne}$

C) $\mathrm{Li}<\mathrm{B}<\mathrm{Be}<\mathrm{C}<\mathrm{N}<\mathrm{O}<\mathrm{F}<\mathrm{Ne}$

D) Li<Be<B<C<N<O<F<Ne

Answer: $\mathrm{Li}<\mathrm{B}<\mathrm{Be}<\mathrm{C}<\mathrm{O}<\mathrm{N}<\mathrm{F}<\mathrm{Ne}$#