Oxidation states "()" in naming coord compounds

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Shirley Liu 2I
Posts: 64
Joined: Fri Sep 28, 2018 12:16 am

Oxidation states "()" in naming coord compounds

Postby Shirley Liu 2I » Sun Dec 02, 2018 5:46 pm

Are oxidation states when naming coordination compounds always positive for the central metal atom/ion? The Roman numeral is always positive, so is the oxidation state always positive? Or how would the parenthesis "()" in the name look if the oxidation state was negative?

Porus_Karwa_2E
Posts: 72
Joined: Fri Sep 28, 2018 12:24 am

Re: Oxidation states "()" in naming coord compounds

Postby Porus_Karwa_2E » Sun Dec 02, 2018 8:20 pm

Yes the central atoms is always positively charged.

ElliotPourdavoud 1A
Posts: 36
Joined: Fri Sep 28, 2018 12:16 am

Re: Oxidation states "()" in naming coord compounds

Postby ElliotPourdavoud 1A » Sun Dec 02, 2018 10:55 pm

The metals lose electrons very easily so their charge is always positive.

Jaqueline Monreal 2L
Posts: 57
Joined: Fri Sep 28, 2018 12:28 am

Re: Oxidation states "()" in naming coord compounds

Postby Jaqueline Monreal 2L » Sun Dec 02, 2018 11:20 pm

Yes the Roman numerals will always be positive

May Xiao 1H
Posts: 14
Joined: Fri Sep 28, 2018 12:18 am

Re: Oxidation states "()" in naming coord compounds

Postby May Xiao 1H » Sun Dec 02, 2018 11:23 pm

It will always be positive. During exam, it's useful to calculate the oxidation state by including all the atoms in the molecule, just to make sure it's the right oxidation state :)


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