Question

no.of lone pairs in p4o6,P4O8 and p4o10​

Answer 1

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⠀ there are 10 oxides of phosphorus

⠀oxygen have 6 electrons in valence shell and phosphorus have 5 electrons in valence shell

⠀first draw structure of p4o10 .

⠀for drawing structure of p408 remove 2 double bond .

⠀for p4o6 remove 4 double bonded oxygen .

⠀ count lone pair from structure.

• lone pair on p4o10 = 20
• lone pair on p4o8 = 18
• lone pair on p406 = 16

Answer 2

P4O6, P4O8, and P4O10 have lone pairs of 16,  20, and 24.

• Phosphorous trioxide represents by the formula P4O6.
• P4O8 represents Tetraphosphorus Octaxoide.
• And Phosphorus Pentoxide is denoted by P4O10.
• The Phosphorous trioxide(P4O6) molecule, it has 12 P-O bonds, as each P is connected to 3 Oxygen atoms.
• And P4O6 has 16 lone pairs present in them.
• When a valance shell electron has a connection with one atom but is not included in the covalent bond is denoted as lone pair.
• Each phosphorus atom has one lone pair.
• Oxygen atoms have two lone pairs.
• So, P4O6 ⇒ 1×4+2×6 = 16.
• P4O8 ⇒ 1×4+2×8 = 20.
• P4O10⇒ 1×4+2×10 = 24.

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