MCQ
$A \to {A^ + } + e,\,\,{E_1}$ and ${A^ + } \to {A^{2 + }} + e,\,\,{E_2}$. The energy required to pull out the two electrons are ${E_1}$ and ${E_2}$ respectively. The correct relationship between two energy would be
  • ${E_1} < \,{E_2}$
  • B
    ${E_1} = {E_2}$
  • C
    ${E_1} > {E_2}$
  • D
    ${E_1} \ne {E_2}$

Answer

Correct option: A.
${E_1} < \,{E_2}$
a
(a)${E_1} < {E_2}$ because second $I.E.$ is greater than first $I.E.$

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