Time required for $90 \%$ completion of a first order reaction is $t$. What is the time required for $99.9 \%$ completion of reaction?

Question

Aicharya · Accepted Answer

$\begin{aligned} t_{99.9 \%} & =3 	imes t_{90 \%} \ & =3 t\end{aligned}$

Time required for $90 \%$ completion of a first order reaction is $t$. What is the time required for $99.9…