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A plot of ln k against 1/T is a straight line because
Aln k = ln A - Ea/RT is linear in 1/T
BThe rate constant never changes
CEa is always equal to zero
DThe reaction is zero order
Answer & Solution
Correct answer: A. ln k = ln A - Ea/RT is linear in 1/T
Taking logs of the Arrhenius equation gives a linear relation whose slope is -Ea/R.
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