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Calculate the enthalpychange for the process:
\[
\mathrm{CCl}_{4}(\mathrm{~g}) \rightarrow \mathrm{C}(\mathrm{g})+4 \mathrm{Cl}(\mathrm{g})
\]
and Calculate bond enthalpy of \( \mathrm{C}-\mathrm{Cl} \) in \( \mathrm{CCl}_{4}(\mathrm{~g}) \)
\( \mathrm{P} \)
Given : \( \Delta_{\text {yap }} \mathrm{H}^{\circ}\left(\mathrm{CCl}_{4}\right)=30.5 \mathrm{~kJ} \mathrm{~mol}^{-1}, \Delta \mathrm{H}^{\circ}\left(\mathrm{CCl}_{4}\right)=-135.5 \mathrm{~kJ} \mathrm{~mol}^{-1} \)
W \( \Delta \mathrm{H}^{\mathrm{H} p}(\mathrm{C})=715.0 \mathrm{~kJ} \mathrm{~mol}^{-1} \) where \( \Delta_{\mathrm{a}}^{\mathrm{f}} \mathrm{H}^{\circ} \) is enthalpy of atomisation \( \Delta_{\mathrm{a}}^{\mathrm{a}} \mathrm{H}^{\circ}\left(\mathrm{Cl}_{2}\right)=242 \mathrm{~kJ} \mathrm{~mol}^{-1} \)
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