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NTA Abhyas NEET2020ChemistryChemical Bonding and Molecular StructurePractice

Pick out the incorrect statement for X e F 4

Options

  1. AX e F 4 disproportionates violently with water
  2. BIt is used as fluorinating agent
  3. CIt has octahedral shape
  4. DIt oxidizes I - or I 2

Correct answer

C. It has octahedral shape

Step-by-step solution

According to VSEPR theory, six electron pairs form an octahedron with two positions occupied by lone pairs. This results in square planar shape of X e F 4 . A. 3 X e F 4 ( + 4 ) + 6 H 2 O → 2 X e ( 0 ) + X e O 3 ( + 6 ) + 12 H F + 3 2 O 2 X e F 4 is reduced to Xe and also oxidized to X e O 3 . B. (i) X e F 4 + 2 S F 4 → X e + 2 S F 6 (ii) 3 X e F 4 + 2 P t → 3 X e + 2 P t F 6 (iii) X e F 4 + C 6 H 6 → X e + C 6 H 5 F + H F D. X e F 4 + 4 K I → 4 K F + X e + 2 I 2

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