Consider the following plots of rate constant(k) versus 1Tfor four different reactions(a,b,c & d). Which of the following orders is correct for the activation energies of these reactions?
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a
Ea > Ec > Ed > Eb
b
Ec > Ea > Ed > Eb
c
Eb > Ea > Ed > Ec
d
Eb > Ed > Ec > Ea
answer is B.
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Detailed Solution
k=Ae−Ea/RTArrheneous equationlogk=logA−EaRTRoughly, K depends on activation energy (Ea)AE=Ec>Ea>Ed>Eb