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  • Oxidation states of the metal in the minerals sphalerite and wurtzite, respectively are:Option: 1 IV in sphalerite and II in wurtzite

Oxidation states of the metal in the minerals sphalerite and wurtzite, respectively are:

Option: 1

IV in sphalerite and II in wurtzite


Option: 2

II  in sphalerite and IV in wurtzite


Option: 3

IV in sphalerite and IV in wurtzite

 


Option: 4

II in sphalerite and II  in wurtzite


Answers (1)

best_answer

The minerals sphalerite and wurtzite both contain the same metal, which is zinc (\mathrm{Zn}), but they have different compositions.

Sphalerite is zinc sulfide ( \mathrm{ZnS}). In sphalerite, zinc (\mathrm{Zn}) has an oxidation state of +2 , and sulfur ( \mathrm{S}) has an oxidation state of -2 .
Wurtzite is also a zinc sulfide mineral ( \mathrm{ZnS}), but it has a different crystal structure than sphalerite. In wurtzite, zinc (\mathrm{Zn}) still has an oxidation state of +2 , and sulfur ( \mathrm{S}) has an oxidation state of -2, just like in sphalerite.
Therefore, the oxidation state of the metal ( \mathrm{Zinc}) in both sphalerite and wurtzite is +2 .

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Rakesh

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