Electron gain enthalpy values $(\Delta_{eg} H)$ (in $kJ \ mol^{-1}$) of elements $X$,$Y$ and $Z$ are $-349$,$-200$ and $-295$ respectively. $X$,$Y$ and $Z$ are respectively

  • A
    $Cl, I, S$
  • B
    $Cl, S, I$
  • C
    $S, Se, Te$
  • D
    $Na, K, Rb$

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The electron affinity of the following elements can be arranged as:

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Which of the following is correct for the electron affinity of halogens?

Which of the following statements is correct?

The electron affinity of chlorine is $3.7 \ eV$. $1 \ g$ of chlorine is completely converted to $Cl^-$ ion in a gaseous state. $(1 \ eV = 23.06 \ kcal \ mol^{-1})$. Energy released in the process is $...... \ kcal$.

The correct electron affinity order is $(EA = -\Delta H_{EG})$

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