Ionization Enthalpy and its Applications

The atomic number of Vanadium $\left(\mathrm{V}\right)$, Chromium $\left(\mathrm{Cr}\right)$, Manganese $\left(\mathrm{Mn}\right)$ and Iron $\left(\mathrm{Fe}\right)$ are, respectively, $23, 24, 25 \mathrm{and} 26$. Which one of these may be expected to have the highest second ionization enthalpy?

The third ionisation enthalpy is highest in

The correct order of $1^{\mathrm{st}}$ ionisation enthalpy among the following elements $\mathrm{Be}, \mathrm{B}, \mathrm{C}, \mathrm{N}, \mathrm{O}$ is

Which element has the highest first ionization potential?

The first ionization potential $\left(\mathrm{IP}\right)$ of the elements $\mathrm{Na},\mathrm{Mg},\mathrm{Si},\mathrm{P},\mathrm{Cl}$ and $\mathrm{Ar}$ are $5.14,7.65,8.15 10.49,12.97$ and $15.76 \mathrm{eV},$ respectively. The $\mathrm{IP}$ (in $\mathrm{eV}$) of $\mathrm{K}$ is closest to :

For an element $\left(\mathrm{M}\right),{\mathrm{IE}}_1$ and ${\mathrm{IE}}_2$ are $178$ and $348 \mathrm{kcal} {\mathrm{mol}}^{-1}$, respectively. What is the energy $\left(\mathrm{kcal} {\mathrm{mol}}^{-1}\right)$ required for the following reaction?

${\mathrm{M}}_{\left(\mathrm{g}\right)}\to {\mathrm{M}}_{\left(\mathrm{g}\right)}^{2+}+2{\mathrm{e}}^{-}$

The correct order for the first ionization enthalpy of $\mathrm{Na}, \mathrm{Mg}, \mathrm{Al}, \mathrm{Si}$ follows the order:

Which one has the highest first ionization enthalpy among $\mathrm{Na}, \mathrm{Mg}, \mathrm{K}$ and $\mathrm{Ca}?$

The decreasing order of the metallic character of the elements $\mathrm{Be}, \mathrm{Mg},$ and $\mathrm{P}$ is _________

Which among the following arrangements is correct:

In the preparation of compounds of $\mathrm{Xe}$, Bartlett had taken ${\mathrm{O}}_2^{+}{{\mathrm{PtF}}_6}^{-}$ as a base compound. This is because

Ionization energy of elements $\mathrm{Be},\mathrm{Ne},\mathrm{He}$ and $\mathrm{N}$ in $\mathrm{kJ}/\mathrm{mol}$ respectively is:

The incorrect statement among the following is -

Which of the following do not show regular trend for ${\mathrm{IE}}_1$?

Correct order of ionization potential in group $14$ is :

Which of them is correct order of ionization energy?

Which incorrect order of ionisation energy is :

Select the correct order of ionisation energies of $\mathrm{Ne}$ atom.