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AIIMS2017ChemistryStructure of Atom

The AsF ₅ molecule is trigonal bipyramidal. The hybrid orbitals used by the As atoms for bonding are

Options

  1. Ad_ x^2-y^2 , d_ z^2 , s, p_x, p_y
  2. Bd_ x y , s, p_x, p_y, p_z
  3. Cd_ x^2-y^2 , s, p_x, p_y
  4. Ds, p_x, p_y, p_z, d_z^2

Correct answer

D. s, p_x, p_y, p_z, d_z^2

Step-by-step solution

A_ s F₅ has s p^3 d hybridisation. In s p^3 d hybridisation, the d_ z^2 orbital is used along with the ' s ' and three ' p ' orbitals to form three equatorial bonds and two equally strong axial bonds for a trigonal bipyramid.

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