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The decomposition of methyl iodid, 2CH...

The decomposition of methyl iodid,
`2CH_(3)I(g)rarrC_(2)H_(6)(g)+I_(2)(g)` at `273^(@)`C has a rate constant of `2.418xx10^(-5)s^(-1)` . If activation energy for the reaction is `+179.9 kJ "mol"^(-1)` , what is the value of collision factor A at `273^(@)C`?

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The correct Answer is:
`3.9xx10^(12)s^(-1)`
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