Wavelength $=622nm$

No$.$ Mole Fraction Mole Fraction $($X$),A_{0bs}.A_{\text{c}\text{o}\text{r}\text{r}}=A_{\text{o}\text{b}\text{s}}-A_N^{2+}$

I.

$2^{}0\mathrm{.}00\mathrm{.}043$

$2^{}0\mathrm{.}8$

$0\mathrm{.}20\mathrm{.}112$

$3.0\mathrm{.}7$

$0\mathrm{.}3$

$0\mathrm{.}146$

$4.$

$0\mathrm{.}6$

$0\mathrm{.}4$

$0\mathrm{.}120$

$0\mathrm{.}5$

$0\mathrm{.}5$

$0\mathrm{.}09i$

$6.$

$0\mathrm{.}4$

$0\mathrm{.}6$

$0\mathrm{.}070$

$7.,0\mathrm{.}3$

$0\mathrm{.}7$

$0\mathrm{.}036$

$8........0\mathrm{.}2$

$0\mathrm{.}8$

$6\mathrm{.}030$

$9^{}0\mathrm{.}1$

$0\mathrm{.}9$

$0\mathrm{.}23$

Value of X $($i$.$e$,$ mole fraction of $cn)$ at the intersection point $=$

Structural formula of the complex