oxidation?

0 ⤊

Cu^2+ + H2S -> CuS + 2H^+

what is the change in the oxidation state of the copper ion?
THANKS :)

2007-01-08 21:58:19 · 4 answers · asked by pigley 4 in Science & Mathematics ➔ Chemistry

4 answers

Hmm.....the copper ion doesn't change it's oxidation state....this isn't a redox reaction!
On the left side you see the Cu2+ ion, hence Cu(II). On the left you see CuS, which consist of Cu2+ and S2-......so again we have Cu(II).

2007-01-08 22:22:28 · answer #1 · answered by Anonymous · 0⤊ 0⤋

The oxidation state of cu changes from 0 to +2.

2007-01-09 06:03:24 · answer #2 · answered by kedarzc_01 2 · 0⤊ 0⤋

the food energy converted into small quantities is oxdation of food.

2007-01-09 06:05:51 · answer #3 · answered by Anonymous · 0⤊ 1⤋

there is no change

2007-01-09 07:21:03 · answer #4 · answered by James Chan 4 · 0⤊ 0⤋