The process that is NOT endothermic in nature is :

Question

The process that is NOT endothermic in nature is :, Ar ( g ) + e - → Ar g -, H ( g ) + e - → H g -, O ( g ) - + e - → O ( g ) 2 -, Na ( g ) → Na g + + e -

MARKS App · Accepted Answer

H (g) +e - → extremic H - (g) ΔH eg = - 72 KJ / mol O - ( g ) + e - ⟶ → endeterm c O 2 - ( g ) ΔH eg = + 744 KJ / mol Ar ( g ) + e - → endeterm c Ar - ( g ) ΔH eg = + 96 KJ / mol Na ( g ) ⟶ endotherm c Na + ( g ) + e - IE = 495 . 8 KJ / mol

$H_{(g)} {+e}^{-} \overset{extremic}{\to} {H^{-}}_{(g)}$	${ΔH}_{eg} = - 72 KJ / mol$
$O^{-} (g) + e^{-} ⟶ \overset{endeterm c}{\to} O^{2 -} (g)$	${ΔH}_{eg} = + 744 KJ / mol$
${Ar}_{(g)} + e^{-} \overset{endeterm c}{\to} {Ar}^{-} (g)$	${ΔH}_{eg} = + 96 KJ / mol$
$Na (g) \overset{endotherm c}{⟶} {Na}^{+} (g) + e^{-}$	$IE = 495.8 KJ / mol$

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