In which of the following processes is energy absorbed?

  • A
    $Cl + e^- \to Cl^-$
  • B
    $O^- + e^- \to O^{2-}$
  • C
    $O^{2-} - e^- \to O^-$
  • D
    $Na^+ + e^- \to Na$

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Similar Questions

What is the value of electron gain enthalpy of $Na^{+}$ if $IE_{1}$ of $Na$ is $5.1 \ eV$? .......... $eV$

Match the following:
List-$I$ (Element)List-$II$ ($\Delta_{eg}H$ in $kJ \ mol^{-1}$)
$A$. $O$$I$. $-200$
$B$. $F$$II$. $-349$
$C$. $Cl$$III$. $-141$
$D$. $S$$IV$. $-328$
$V$. $+48$

The correct answer is:

Which of the following statements regarding electron affinity is correct?

The increasing order of electron affinity for the given electronic configurations of elements is:
$I$. $1s^2 \ 2s^2 \ 2p^6 \ 3s^2 \ 3p^5$ $(Cl)$
$II$. $1s^2 \ 2s^2 \ 2p^3$ $(N)$
$III$. $1s^2 \ 2s^2 \ 2p^5$ $(F)$
$IV$. $1s^2 \ 2s^2 \ 2p^6 \ 3s^2 \ 3p^1$ $(Al)$

Difficult
View Solution

Correct order of electron affinity for $C$,$Si$,and $Ge$ is

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