Question:

Which one of the following molecules is formed by \(sp^3d^2\) hybridisation?

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Octahedral geometry may involve either \(d^2sp^3\) or \(sp^3d^2\), depending on inner or outer orbital participation.
Updated On: Apr 29, 2026
  • \(BrF_5\)
  • \(PF_5\)
  • \(SF_6\)
  • \([Co(NH_3)_6]^{3+}\)
  • \([PtCl_6]^{2-}\)
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The Correct Option is

Solution and Explanation

\(sp^3d^2\) hybridisation corresponds to octahedral geometry. Among the options, \([PtCl_6]^{2-}\) is the standard complex associated with outer orbital octahedral \(sp^3d^2\) hybridisation. Hence, \[ \boxed{(E)\ [PtCl_6]^{2-}} \]
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