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NTA Abhyas NEET2020ChemistryChemical Bonding and Molecular StructurePractice

The geometrical arrangement of electron pairs and shape of I 3 - are respectively

Options

  1. ATrigonal bipyramidal geometry, linear shape
  2. BHexagonal geometry, T-shape
  3. CTriangular planar geometry, triangular shape
  4. DTetrahedral geometry, pyramidal shape

Correct answer

A. Trigonal bipyramidal geometry, linear shape

Step-by-step solution

Steric number for I 3 − = 1 2 7 + 2 − 0 + 1 = 5 Hybridization of I in I 3 - is sp 3 d. Thus I 3 - has trigonal bipyramidal geometry with linear shape.

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