9C 1C

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Ziyan Wang 3J
Posts: 51
Joined: Wed Sep 18, 2019 12:22 am

9C 1C

Postby Ziyan Wang 3J » Thu Dec 05, 2019 2:14 pm

Why is [Co(CN)5(OH2)]2- aquapentacyano cobaltate(Ⅲ) instead of aquapentacyano cobalt(Ⅲ)

romina_4C
Posts: 100
Joined: Thu Jul 11, 2019 12:17 am

Re: 9C 1C

Postby romina_4C » Thu Dec 05, 2019 2:17 pm

The coordination compound is an anion, therefore we need to add the suffix "-ate" to the end of the transition metal name to indicate that.

Jared Khoo 1G
Posts: 107
Joined: Wed Sep 18, 2019 12:16 am

Re: 9C 1C

Postby Jared Khoo 1G » Thu Dec 05, 2019 2:18 pm

It is a negative ion, so you must add -ate to the end of the transition metal name. For reference Dr. Lavelle has the naming guide and it should be there.


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