The Arrhenius equation for trans isomerisation of 2-butene and 2-butene nitrile are given as follows: (a) For 2-butene CH3CH=CHCH3                    K(S−1)=1013.8×exp-263.5kJmol-1/RT(b) For 2-butene nitrile CH3CH=CH.CN             K'(S−1)=1011exp⁡−214.5 kJ mol−1/RTThe temperature at which K = K'