Select the equation that represents an exothe | vedclass

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Question

(B) The formation of an ionic lattice from gaseous ions,$Na_{(g)}^{+} + Cl_{(g)}^{-} 	o NaCl_{(s)}$,releases a large amount of energy known as lattic

Vedclass · Accepted Answer

$Na_{(g)}^{+} + Cl_{(g)}^{-} 	o NaCl_{(s)}$

Vedclass · Answer

(B) The formation of an ionic lattice from gaseous ions,$Na_{(g)}^{+} + Cl_{(g)}^{-} 	o NaCl_{(s)}$,releases a large amount of energy known as lattice energy,which is an exothermic process.In contrast,adding an electron to an anion (like $S_{(g)}^{-}$) or removing an electron from a cation (like $Al_{(g)}^{+2}$) generally requires energy (endothermic) due to electrostatic repulsion or high ionization energy.

Select the equation that represents an exothermic step.

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