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t1/4 can be taken as time taken for the ...

`t_1/4` can be taken as time taken for the concentration of the reactant to drop to `3/4` of the initial value. If the rate constant for a first order reaction is k, the `t_ 1/4` can be written as :

A

`0.75 / K`

B

`0.69 / K`

C

`0.29 / K`

D

`0.10 / K`

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  12. Under what condition does the rate of a reaction equal to rate constan...

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  14. What is threshold energy ?

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  16. Why the rate of a reaction increases with increase in temperature ?

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  17. Write the order of reaction for rate =k [A] [B]^((1)/(2))

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  18. Write the order of reaction for rate = k [SO2]^2 [O2]

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