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AP EAMCET202022 Sep 2020Evening ShiftChemistryChemical Bonding and Molecular StructureActual

What is the molecular geometry of H ₃ O ⁺ ?

Options

  1. ATrigonal pyramid
  2. BSquare planar
  3. CTrigonal bipyramidal
  4. DTrigonal planar

Correct answer

A. Trigonal pyramid

Step-by-step solution

H ₃ O ⁺ has a molecular geometry of tetrahedral, since there are 4 regions of electron density surrounding the central O atom ( 3 hydrogens and 1 lone pair of electrons). The VSEPR shape would be trigonal pyramidal. Hence, the correct option is (1).

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