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Milk turns sour at 40^(@)C three times f...

Milk turns sour at `40^(@)C` three times faster as at `0^(@)C`. The energy of activation for souring of milk is:

A

4.693 kacal

B

2.6 kcal

C

66.6 kcal

D

none of these

Text Solution

Verified by Experts

`log. (k_2)/k_1 = E_a/(2.303R) [(T_2-T_1)/(T_1T_2)]`
`:. Kig 3 - E_a/(2.303 xx 2) [ (313 - 273)/(313 xx 273)]`
`:. E_a= 4693 cal`
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