The correct name of the complex ion \( \left[\operatorname{CoCl}(\mathrm{ONO})(\mathrm{en})_{2}\...

The correct name of the complex ion \( \left[\operatorname{CoCl}(\mathrm{ONO})(\mathrm{en})_{2}\right]^{+} \)is :
\( \mathrm{P} \)
(a) chlorobis(ethylenediamine)nitrito-O-cobaltate (III) ion
W.
(b) chlorodiethyldiaminenitrito-O-cobalt (III) ion
(c) chloronitrito-O-diethyldiamine cobaltate (III) ion
(d) chlorobis(ethylenediamine)nitrito-O-cobalt (III) ion