At the point of intersection of the two curves shown, the conc. of `B` is given by ……… for, `A rarr nB`:

Options

A. `(nA_(0))/(2)`
B. `(A_(0))/(n-1)`
C. `(nA_(0))/(n+1)`
D. `((n-1)/(n+1))A_(0)`

Answer

C

Explanation

From figure `[A]_(l e ft)=[B]_("formed")=nxx[A]_("decayed")`
`:." "[A]_(b)e^(lambdat)=nxxA_(0)[1-e^(-lambdat)]`
`:." "[B]_("formed")=nxxA_(0)xx[1-(n)/(n+1)]`
`=(nA_(0))/(n+1)`