The structure of CIF3 is
(A) pentagonal bipyramid
(B) trigonal bipyramid
(C) tetrahedral
(D) square planar

The structure of CIF₃ (chlorine trifluoride) is:

(A) pentagonal bipyramid

Explanation:

  • CIF₃ has 7 regions of electron density around the central chlorine atom (3 bonding pairs and 4 lone pairs).
  • According to VSEPR theory, 7 electron pairs arrange themselves in a pentagonal bipyramidal geometry.
  • The actual molecular shape of CIF₃ is T-shaped or distorted, but the electron pair geometry is pentagonal bipyramidal.

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