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Question
Which of the following reactions represents enthalpy of formation of NaCl?
Options
\[\ce{Na^+_{( aq)} + Cl^-_{( aq)} -> NaCl_{(s)}}\]
\[\ce{NaCl_{(s)} -> Na_{(s)} + 1/2Cl2_{(g)}}\]
\[\ce{Na_{(s)} + AuCl_{(s)} -> NaCl_{(s)} + Au_{(s)}}\]
\[\ce{Na_{(s)} + 1/2Cl2_{(g)} -> NaCl_{(s)}}\]
MCQ
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Solution
\[\ce{Na_{(s)} + 1/2Cl2_{(g)} -> NaCl_{(s)}}\]
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Electrolytic Cells
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