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Question

Milk turns sour at 40C three times as faster as 0C. Hence, Ea in the process of turning of milk sour is


  1. 2.303×2×313×27340log(1/3) cal

  2. 2.303×2×40273×313log3 cal

  3. None of  these

  4. 2.303×2×313×27340log3


Solution

The correct option is D

2.303×2×313×27340log3


K40C=AeEa/R×313K0C=AeEa/R×2733=eEa/R×(1/3131/273)

On taking logs on both sides, you get the required answer

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