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The Arrhenius equations for cis-trans is...

The Arrhenius equations for cis-trans isomerzation of but-2-ene `(CH_(3)-CH=CH-CH_(3))` and but-2-ene, 1 nitrile `(CH_(3)-CH=CH-CN)` are,
`k(s^(-1))=10^(13.8)exp(-263.5kJ"mol"^(-1)//RT)`
`k^(-1)(s^(-1))=10^(11)exp(-214.5 kJ"mol"^(-1)//RT)` Calculate the temperature at which `k=k^(-1)`.

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The correct Answer is:
914 K
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