Which of the following processes is exothermi | vedclass

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(D) An exothermic process is one that releases energy,resulting in a negative enthalpy change $(\Delta H < 0)$.$A$. The addition of two electrons to s

Vedclass · Accepted Answer

$Na^+_{(g)} + Cl^-_{(g)} \rightarrow NaCl_{(s)}$

Vedclass · Answer

(D) An exothermic process is one that releases energy,resulting in a negative enthalpy change $(\Delta H $A$. The addition of two electrons to sulfur is endothermic overall due to electron-electron repulsion.$B$. The addition of an electron to nitrogen is endothermic because nitrogen has a half-filled $2p$ subshell.$C$. Ionization energy is always endothermic as energy is required to remove an electron.$D$. The formation of an ionic lattice from gaseous ions $(Na^+_{(g)} + Cl^-_{(g)} \rightarrow NaCl_{(s)})$ is highly exothermic,as it releases lattice energy.

Which of the following processes is exothermic?

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