Question

For a first-order reaction, if the value of $t_{\frac{1}{2}}$ is T, then the value of $t_{\frac{7}{8}}$ will be_____ T.

Answer 1

$t_{\frac{7}{8}}$ means $3$ half lives.

$t_{\frac{7}{8}}$=$3T$

$\text{The correct answer is:}$ $\underline{3}.$