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Choose the correct option below based on the following statement:

When we increase the temperature of a reaction the rate of reaction increases because of:

(i) Decreasing the potential energy of collision,
(ii) Increasing frequency of collisions,
(iii) Increasing kinetic energy of collision $\begin{array}{1 1}(a)\;(i)\;only\\(b)\;(iii)\;only\\(c)\;(ii)\;and\;(iii)\\(d)\;(i),(ii),(iii)\end{array}$
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As temperature increases molecular heat up and hence kinetic energy increases.As kinetic energy of molecules increases their libration increases so frequency of collisions increases.
Hence (c) is the correct answer.
answered Dec 17, 2013 by sreemathi.v

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