Q.

The rate of reaction becomes 2 times for every 10ºC rise in temperature. How many times the rate of reaction will increase when temperature is increased from 30ºC to 80ºC

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a

16

b

28

c

64

d

32

answer is B.

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Detailed Solution

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          Kt+10Kt=r t+10rt=2

For an increase of temperature to 50oC, i.e.,  5 times, the rate increases by 25 times, i.e., 32 times.

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