[Co(NH3) 3Cl3]

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Mrudula Akkinepally
Posts: 105
Joined: Wed Sep 30, 2020 9:31 pm

[Co(NH3) 3Cl3]

Postby Mrudula Akkinepally » Sun Dec 06, 2020 3:05 am

Why is the charge of Cobalt +3 and not +2 in [Co(NH3) 3Cl3]?

Selena Quispe 2I
Posts: 124
Joined: Wed Sep 30, 2020 10:01 pm
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Re: [Co(NH3) 3Cl3]

Postby Selena Quispe 2I » Sun Dec 06, 2020 3:22 am

The charge for Cobalt is +3 because there are three chlorines which all have a -1 charge and the three NH3 do not have a charge. Therefore, to balance the charge you would need Cobalt to have a +3 charge. I hope this helps!

Ashley Ko 3I
Posts: 106
Joined: Wed Sep 30, 2020 9:54 pm

Re: [Co(NH3) 3Cl3]

Postby Ashley Ko 3I » Sun Dec 06, 2020 3:29 am

Cobalt is 3+ because [Co(NH3)3Cl3] is neutral, NH3 is a neutral ligand, and Cl is an anionic ligand with a 1- charge (since there are three Cl, their overall charge contribution is 3-). Thus, the cobalt is 3+ so it can cancel out the charge contribution of the Cl. Hope this helps!

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