MCQ
The correct order of first ionization enthalpy values of the following elements is:
$(A)$ $\mathrm{O}$ $(B)$ $\mathrm{N}$ $(C)$ Be $(D)$ $\mathrm{F}$ $(E)$ $B$
Choose the correct answer from the options given below :
- A$B $<$ D $<$ C $<$ E $<$ A$
- ✓$E $<$ C $<$ A $<$ B $<$ D$
- C$C $<$ E $<$ A $<$ B $<$ D$
- D$A $<$ B $<$ D $<$ C $<$ E$
