KVPY SB SX Exam 2011 Question Paper

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Question : 101 of 120

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CHEMISTRY

XeF_6

hydrolyses to give an oxide. The structures of

XeF_6

and the oxide, respectively, are

octahedral and tetrahedral
distorted octahedral and pyramidal
octahedral and pyramidal
distorted octahedral and tetrahedral

Solution:

XeF_6 + 3H _ 2O → XeO_3 + 6HF

XeF_6⇒

Sp^3d^3

Hybridisation (distorted octahedral)

XeO_3⇒

sp^3

Hybridisation (Pyramidal)

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