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Question

The Arrhenius equation for cis-trans isomerization of but-2-ene (CH3CH=CHCH3) and but-2-en-1-nitrite (CH3CH=CHCN) are:
k(s1)=1013.8×e(263.5 kJ mol1/RT)
k(s1)=1011×e(214.5 kJ mol1/RT)
Calculate the temperature at which 4k=k.

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Solution

To find temperature at which 4K=K
4K=K
4×1013.8×e263.5×103RT=1011e214.5×103RT4×102.8=e(263.5214.5)×103RT49000RT=ln(4×102.8)t= 7.52.41K

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