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MolSynapse / Question bank / p-Block Elements: Groups 15 and 16 / Phosphorus allotropes, phosphine, halides and oxyacids of phosphorus
JEE Advanced levelSingle correct optionDifficulty 3 of 3pn145

The total number of P-O-P bonds plus P=O bonds in one molecule of is

  1. A10
  2. B12
  3. C6
  4. D16

Answer: A

P4O10 is a P4 tetrahedron with an O inserted along each of the six P-P edges (6 P-O-P bridges) and one terminal P=O on each P (4 P=O). Total = 6 + 4 = 10.
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