From your manual, here is what happens after transferring 25.0 mL of your electr

Question

From your manual, here is what happens after transferring 25.0 mL of your electrolysis solution to your titration vessel with other reagents added: HOCI (aq) + H_2SO_4 (aq) + 3l^- (aq) rightarrow l_^-3 (aq) + Cl^- (aq) HSO_^-4 (aq) + H_2O (l) This is a redox reaction between hypochlorous acid and iodide. The Lewis structure of the product is. If the guideline for obtaining oxidation # is that both terminal l atoms get all of the bonding pairs, then the oxidation number on the central atom is _________ ? and the VSEPR shape at the central atom is ________ ? 1- and linear 1- and bent 1+ and Linear 0 and trigonal bipyramidal 1+ and trigonal bipyramidal

Explanation / Answer

Ans A. 1- and linear

The central I atom has oxidation number of -1 and terminal atoms have 0

Tri iodide ion I3- has 3 iodine atoms and three lone pairs to the central atom so according to VSEPR , it is AB3L3 molecule. The electron pairs adopt bipyramidal geometry but the net repulsion on the bonds due to lone pairs is 0 and hence the molecule has linear geometry.

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