The so-called pyroanions, X 2 O 7 n- , form a series of structurally similar polyatomic anions

Question:

The so-called pyroanions, X2O7n-, form a series of structurally similar polyatomic anions for the elements Si, P, and S.

(a) Draw the Lewis structures of these anions, and predict the geometry of the anions. What is the maximum number of atoms that can lie in a plane?

(b) Each pyroanion in part (a) corresponds to a pyroacid, X2O7Hn. Compare each pyroacid to the acid containing only one atom of the element in its maximum oxidation state. From this comparison, suggest a strategy for the preparation of these pyroacids.

(c) What is the chlorine analogue of the pyroanions? For which acid is this species the anhydride?

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Related Book For  book-img-for-question

General Chemistry Principles And Modern Applications

ISBN: 9780132931281

11th Edition

Authors: Ralph Petrucci, Jeffry Madura, F. Herring, Carey Bissonnette

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