The oxidation state of phosphorus in cyclo-tr | vedclass

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Question

(D) The formula for cyclo-tri-meta phosphoric acid is $(HPO_3)_3$ or $H_3P_3O_9$.In this structure,each phosphorus atom is bonded to one double-bonded

Vedclass · Accepted Answer

$5$

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(D) The formula for cyclo-tri-meta phosphoric acid is $(HPO_3)_3$ or $H_3P_3O_9$.In this structure,each phosphorus atom is bonded to one double-bonded oxygen,two single-bonded oxygen atoms (one of which is part of the $P-O-P$ linkage),and one hydroxyl group $(-OH)$.Let the oxidation state of phosphorus be $x$.In $(HPO_3)_3$,the sum of oxidation states is $3 	imes (1 + x + 3 	imes (-2)) = 0$.$3 	imes (1 + x - 6) = 0$.$3 	imes (x - 5) = 0$.$x = 5$.Therefore,the oxidation state of phosphorus in cyclo-tri-meta phosphoric acid is $5$.

The oxidation state of phosphorus in cyclo-tri-meta phosphoric acid is

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