Activation energy A. determining the rate constant at standard temperature.
B. determining the rate constants at two temperatures.
C. determining probability of collision.
D. using catalyst.
Taking ln on both sides give: ln k= -EA/RT + lnA
The above equation has EA as activation energy and k as the rate constant.
The equation can be changed to a line equation i.e. y=mx+c, by taking log on both sides.
For two values of k at different temperatures we can get the value of EA from above Equation.
Thus option (ii) is correct.
Other options do not give an equation or values for a graph that can be plotted to find the value EA.
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