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  • For a reaction, Ea = 0 and k = 3.2  104 s-1 at 300 K. The valu

For a reaction, Ea = 0 and k = 3.2 \times 104 s-1 at 300 K. The value of k at 310 K would be:

Option: 1

6.4 \times 10^{4} \mathrm{\: s}^{-1}


Option: 2

3.2 \times 10^{4} \mathrm{\: s}^{-1}


Option: 3

32 \times 10^{4} \mathrm{\: s}^{-1}


Option: 4

3.2 \times 10^{6} \mathrm{\: s}^{-1}


Answers (1)

Arrhenius equation:-

\mathrm{k=A e^{-E a / R T}}

For a reaction, Ea = 0 and k = 3.2 x 104 s-1 at 300 K

\\\mathrm{k=A e^{-0/ R T}} \\ \\ \mathrm{\text {When E}_{\mathrm{a}}=0, k=A\: (\text {constant}) }\\ \\ \mathrm{So,k_{310}=k_{300}=3.2 \times 10^{4} \mathrm{\: s}^{-1}}

Therefore, option(2) is correct

Posted by

Ramraj Saini

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