Question

Iupac name of [cocl2(en2)]cl

Answer 1

Dichlorobis(ethylenediamine)cobalt(III) chloride is a coordination complex with the formula [CoCl2(en)2]Cl (en = ethylenediamine).

Answer 2

The IUPAC name of the given complex compound [CoCl2(en2)]Cl (en = ethylenediamine) is cis-Dichlorobis(ethylenediamine)cobalt(III) chloride.

It is a violet diamagnetic solid compound that is soluble in water. IUPAC names of complex compounds are done such that always the name of the cation comes first along with its coordination number  then the name of the anion is written hence, the last part of the complete name is cobalt(III) chloride.