"On moving left to right,ionization energy increases due to increasing $Z_{eff}$." In which of the following pairs is the above statement $NOT$ $CORRECT$?

Which is the correct order of ionization energies?

Which of the following processes represents the highest ionization energy?

Find the formula of the halide of a metal whose successive ionization energies are $10, 16, 25, 400, 500 \ eV \ mol^{-1}$ respectively $:-$

What is ionization enthalpy? What is the unit of ionization enthalpy?

Given below are two statements $:$
Statement $(I) :$ The first ionisation enthalpy of group $14$ elements is higher than the corresponding elements of group $13.$
Statement $(II) :$ Melting points and boiling points of group $13$ elements are in general much higher than those of the corresponding elements of group $14.$ In the light of the above statements,choose the most appropriate answer from the options given below $:$