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Question

SF6 and PCl5 are exceptions to octet rule because of _____.


A

electron pairs

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B

incomplete octet

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C

odd electrons

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D

expanded octet

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Solution

The correct option is D

expanded octet


In PCl5, P is bonded to 5 Cl atoms which imply that P has 10 electrons.

In SF6, S is bonded to 6 F atoms which imply that S has 12 electrons.

Both P and S both have expanded octet.


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