\[{{t}_{\frac{1}{4}}}\] can be taken as the time taken for the concentration of a reactant to drop to \[\frac{3}{4}\] of its initial value. If the rate constant for a first order reaction is \[K\], the \[{{t}_{\frac{1}{4}}}\] can be written as [AIEEE 2005]

\[{{t}_{\frac{1}{4}}}\] can be taken as the time taken for the concent

1.	\[{{t}_{\frac{1}{4}}}\] can be taken as the time taken for the concentration of a reactant to drop to \[\frac{3}{4}\] of its initial value. If the rate constant for a first order reaction is \[K\], the \[{{t}_{\frac{1}{4}}}\] can be written as [AIEEE 2005]
A.	\[0.10/K\]
B.	\[0.29/K\]
C.	\[0.69/K\]
D.	\[0.75/K\]
Answer» C. \[0.69/K\]

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\[{{t}_{\frac{1}{4}}}\] can be taken as the time taken for the concentration of a reactant to drop to \[\frac{3}{4}\] of its initial value. If the rate constant for a first order reaction is \[K\], the \[{{t}_{\frac{1}{4}}}\] can be written as [AIEEE 2005]

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