Phosphorus pentoxide () is a powerful dehydrating agent. What is the exact number of P-O-P bridging bonds present in a single molecule of ?

Question

Phosphorus pentoxide ($P_4O_{10}$) is a powerful dehydrating agent. What is the exact number of P-O-P bridging bonds present in a single molecule of $P_4O_{10}$?

Prashant Kotian · Accepted Answer

Correct answer: C. The structure of is based on a tetrahedron of four phosphorus atoms. Each edge of this tetrahedron is bridged by an oxygen atom. Since a tetrahedron has 6 edges, there are exactly 6 P-O-P bridging linkages.

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