Can you make a Lewis structure of dichromate ion, i.e. $C r_{2} O_{7}^{2 -}$ $Cr_2O_7^(2-)$ ?

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Can you make a Lewis structure of dichromate ion, i.e. $C r_{2} O_{7}^{2 -}$ $Cr_2O_7^(2-)$ ?

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Answer 1 · 2017-04-27T12:10:35

$In dichromate..........?$ $"In dichromate..........?"$

For $(^{-} O -) {(O =)}_{2} C r - O - C r {(= O)}_{2} (- O^{-})$ $(""^(-)O-)(O=)_2Cr-O-Cr(=O)_2(-O^(-))$

Explanation:

Well, let's count them up.

Well each chromium centre is tetrahedral to a first approx., so there are $2 \times 6$ $2xx6$ , and one $∠ C r - O - C r$ $/_Cr-O-Cr$ , so this gives 13 in total. Make a model, and see if you agree with me. (I did not make a model because I am lazy!). I have treated all $∠ O - C r - O$ $/_O-Cr-O$ and $∠ C r - O - C r$ $/_Cr-O-Cr$ as tetrahedral to a first approx.

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Can you make a Lewis structure of dichromate ion, i.e. $C r_{2} O_{7}^{2 -}$ $Cr_2O_7^(2-)$ ?

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Explanation:

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Can you make a Lewis structure of dichromate ion, i.e. Cr2O2−7Cr_2O_7^(2-)?

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Explanation:

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Can you make a Lewis structure of dichromate ion, i.e. $C r_{2} O_{7}^{2 -}$ $Cr_2O_7^(2-)$ ?