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I am trying to find the structures of thiosulfate, Dithionate & Tetrathionate Ions but I am not getting an exact answer. Please help.

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  • $\begingroup$ Can you expand on your question? Where are you getting stuck? What have you figured out so far? As it is, this is likely to get closed because it is a homework question that does not show your input or ask about a specific concept. $\endgroup$ Oct 23, 2014 at 19:16
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    $\begingroup$ Have you tried a common web-based search engine? Thiosulfate Dithionite Tetrathionate $\endgroup$
    – long
    Oct 23, 2014 at 19:17
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    $\begingroup$ This question appears to be off-topic because it can be easily found using Google and/or Wikipedia. $\endgroup$ Oct 23, 2014 at 19:52

1 Answer 1

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Here you go...

Thiosulfate $\ce{[S2O3]^{-2}}$

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There ia a negative charge on the apical sulfur and another negative charge distributed across the 3 oxygens by resonance

Dithionate $\ce{[S2O6]^{-2}}$

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There is one negative charge distributed by resonance over each group of 3 oxygens.

Dithionite $\ce{[S2O4]^{-2}}$

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There is one negative charge distributed by resonance over each group of 2 oxygens.

Tetrathionate $\ce{[S4O6]^{-2}}$

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There is one negative charge distributed by resonance over each group of 3 oxygens.

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  • $\begingroup$ You have written "Dithionate", but the formula and molecular structure shown are those of dithionite. $\endgroup$ Oct 23, 2014 at 19:37
  • $\begingroup$ @JannisAndreska Thanks for catching that, I'll edit the answer. $\endgroup$
    – ron
    Oct 23, 2014 at 19:51

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