## What's the formula for this coordination compound?

Nhi Vo 3A
Posts: 50
Joined: Sat Jul 09, 2016 3:00 am

### What's the formula for this coordination compound?

Dibromobis(ethylenediamine)cobalt(III)sulfate

Posts: 27
Joined: Wed Sep 21, 2016 2:56 pm

### Re: What's the formula for this coordination compound?

[CoBr2(en)2] SO4 but I think it should be an ion with a negative 1 charge.

Rachel Ma
Posts: 7
Joined: Wed Sep 21, 2016 2:56 pm

### Re: What's the formula for this coordination compound?

yes I agree because you have 2 Br which is -1 charge each, and a sulfate with a -2 charge. In total you have -4 charges and if Cr were to have a +3 charge, the whole ion would have -1 charge.