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Q.

The value of specific rate constant at 300K and 310K are 4.0×10−2 and 8.0×10−2 respectively the activation energy for the reaction is [in k cal/mole]

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a

12.834

b

101.25

c

1682

d

17.95

answer is D.

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Detailed Solution

logk2k1=Ea2.303RT2−T1T1T2

log8×10-24×10-2=Ea2.3×2×10300×310

∴Ea=0.3×2.3×2×300×31

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