Which of the following reactions represents enthalpy of formation of AgCl ?
Chemistry · JEE Main · NTA Exams — Chemical Thermodynamics
Which of the following reactions represents enthalpy of formation of AgCl ?
- \(\mathrm{Ag}^{+}(\mathrm{aq})+\mathrm{Cl}^{-}(\mathrm{aq}) \longrightarrow \mathrm{AgCl}(\mathrm{~s})\)
- \(\mathrm{AgCl}(\mathrm{~s}) \longrightarrow \mathrm{Ag}(\mathrm{~s})+\frac{1}{2} \mathrm{Cl}_{2}(\mathrm{~g})\)
- \(\mathrm{Ag}(\mathrm{~s})+\mathrm{AuCl}(\mathrm{~s}) \longrightarrow \mathrm{AgCl}(\mathrm{~s})+\mathrm{Au}(\mathrm{~s})\)
- \(\mathrm{Ag}(\mathrm{~s})+\frac{1}{2} \mathrm{Cl}_{2}(\mathrm{~g}) \longrightarrow \mathrm{AgCl}(\mathrm{~s}) .\)
Answer
(D) Ag ( ~s )+ 1 2 Cl _ 2 ( ~g ) AgCl ( ~s ) .
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