Which of the following processes will have th | vedclass

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(D) Ionization energy increases with the removal of successive electrons from the same atom because the effective nuclear charge increases. Comparing

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$Mg 	o Mg^{2+} + 2e^-$

Vedclass · Answer

(D) Ionization energy increases with the removal of successive electrons from the same atom because the effective nuclear charge increases. Comparing the options: $A$ and $B$ represent the first ionization energy $(IE_1)$ of $Ba$ and $Ca$ respectively. Since $IE_1$ decreases down the group,$IE_1(Ca) > IE_1(Ba)$. $C$ and $D$ represent the sum of the first and second ionization energies $(IE_1 + IE_2)$ for $Ca$ and $Mg$ respectively. Since $Mg$ is above $Ca$ in the periodic table,$IE_1(Mg) > IE_1(Ca)$ and $IE_2(Mg) > IE_2(Ca)$. Therefore,the total energy required for $Mg 	o Mg^{2+} + 2e^-$ is the highest among the given options.

Element	$IE_1$	$IE_2$	$IE_3$	Code	Element
$1$	$2080$	$3963$	$6130$	$(a)$	$H$
$2$	$520$	$7297$	$11810$	$(b)$	$Li$
$3$	$900$	$1758$	$14810$	$(c)$	$Be$
$4$	$800$	$2428$	$3660$	$(d)$	$B$
-	-	-	-	$(e)$	$Ne$

Which of the following processes will have the maximum ionization energy?

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