\(\log \,\frac{{{K_2}}}{{{K_1}}}\,\, = \,\,\frac{{{E_a}}}{{2.303R}}\,\left( {\frac{{{T_2}\, - \,\,{T_1}}}{{{T_1}{T_2}}}} \right)\)
આપેલ : તાપમાને આચળાંક \(\, = \,\,\frac{{{K_2}}}{{{K_1}}}\,\, = \,\,2\)
\({T_1}\,\, = \,\,25\,\, + \,\,273\,\, = \,\,298,\)
\(\,{T_2}\,\, = \,\,35\,\, + \,\,273\,\, = \,308,\,\,R\,\, = \,\,8.314\)
\(\log \,2\,\, = \,\,\frac{{{E_a}}}{{2.303\,\, \times \,\,8.314}}\,\, \times \,\,\left( {\frac{{10}}{{298\,\, \times \,\,308}}} \right)\)
\({E_a}\,\, = \,\,52.31\,\,KJ\)