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Q 7.30     At 473 K, equilibrium constant K_c for decomposition of phosphorus pentachloride, PCl₅ is 8.3 ×10^-3. If decomposition is depicted as,

                 $PCl_{5}(g)\rightleftharpoons PCl_{3}(g)+Cl_{2}(g), \Delta _{r}H^{+}=124.0kJ mol^{-1}$

      (b)     what is the value of K_c for the reverse reaction at the same temperature ?

Answers (1)

for the reverse reaction ,

$K_c' = \frac{1}{K_c}= \frac{1}{8.3 \times 10^{-3}} = 120.48$

Posted by

Satyajeet Kumar

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