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In an Arrhenius plot, the slope is given by:

1. -Ea / 2.303R
2. Ea / R
3. R / 2.303Ea
4. None of these

Correct answer: -Ea / 2.303R

Solution

From log k = log A - Ea/(2.303 R T), a plot of log k versus 1/T is linear with slope = -Ea/(2.303 R).

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