11th Class Chemistry Equilibrium Question Bank 11th CBSE Chemistry Ionic Equilibrium

  • question_answer If concentrations are expressed in moles \[{{L}^{-1}}\] and pressures in atmospheres, what is the ratio of \[{{K}_{p}}\] to \[{{K}_{c}}\] for the reaction : \[2S{{O}_{2}}(g)+{{O}_{2}}(g)\rightleftharpoons 2S{{O}_{3}}(g)\]at \[25{}^\circ C\]?

    Answer:

                    \[\Delta \,{{n}_{g}}={{n}_{p}}-{{n}_{r}}=-1\]. Hence, \[{{K}_{p}}={{K}_{c}}{{(RT)}^{-1}}\] or \[{{K}_{p}}/{{K}_{c}}=1/RT=\frac{1}{0.0821\times 298}=0.04\]


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