Chemical Bonding Quick Quiz 4

Chemistry Level 3

The compounds P C l X 5 , P F X 5 , \ce{PCl5}, \ce{PF5}, and P B r X 5 \ce{PBr5} exist in nature. Then do P O X 5 \ce{PO5} and P H X 5 \ce{PH5} exist?

The MCQ options are respectively arranged.

Both Yes Both No Yes & No No & Yes

Anubhav Sachan by Anubhav Sachan , 23, India

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2 solutions

Haries Ajrun
Jun 20, 2014

PO5 exists, it's called Hyperphosphate. A combination of 5 Oxygen and one Phosphorus. While PH5 (phosphorus pentahydride) doesn't exist due to its very highly unstable property.

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the reason is that because O,F are highly electronegative they can excite electrons of P and form 5 bonds to form PF5 and PO5. because H is poorly electronegative it cannot excite electrons to form 5 ponds.

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