Chemistry

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in the reaction:Ni+SN4+-->Ni2+ (+)Sn2+ which species has been reduced?
1.Ni
2.Sn4+
3.Ni2+
4.Sn2+

i know its def Sn but im not sure which one.

  • Chemistry -

    Remember Leo the Lion goes Grr. The key word is Leo; i.e., loss electrons oxidation. So reduction is the gain of electrons. If you know it's Sn, then does Sn gain electrons in going from Sn+4 to Sn+2 or from Sn+2 to Sn+4.

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