The formula of the complex tris(ethylenediamine)cobalt(III)... | CHEMISTRY - NOMENCLATURE OF COORDINATION COMPOUNDS | SolveeIt | Solveeit

Today, August 23

Question

The formula of the complex tris(ethylenediamine)cobalt(III) sulphate is :

A

[Co(en)2SO4]

B

[Co(en)3SO4]

C

[Co(en)3]2SO4

D

[Co(en)3]2SO4

Answer

$Co(en)3$ 2SO4

Explanation

Solution

(i) The central atom, Co is placed first.

(ii) The ligands are then placed in alphabetical order.

(iii) The formula for the entire coordination entity, whether charged or not, is enclosed in square brackets.