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JEE Main 2025 · Chemistry · Chemical Bonding and Molecular Structure · medium

The pair having the same shape and the same hybridisation of the central atom is

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The pair having the same shape and the same hybridisation of the central atom is
  1. A. ClF3\mathrm{ClF_3} and BF3\mathrm{BF_3}
  2. B. XeO3\mathrm{XeO_3} and SO3\mathrm{SO_3}
  3. C. XeF4\mathrm{XeF_4} and ICl4−\mathrm{ICl_4^-}
  4. D. I3−\mathrm{I_3^-} and H2O\mathrm{H_2O}
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Answer: (C) XeF4\mathrm{XeF_4} and ICl4−\mathrm{ICl_4^-}

XeF4\mathrm{XeF_4}: 44 bond pairs and 22 lone pairs on Xe, sp3d2sp^3d^2, square planar. ICl4−\mathrm{ICl_4^-}: 44 bond pairs and 22 lone pairs on I, sp3d2sp^3d^2, square planar. The others differ: ClF3\mathrm{ClF_3} is T-shaped (sp3dsp^3d) but BF3\mathrm{BF_3} is trigonal planar (sp2sp^2); XeO3\mathrm{XeO_3} is pyramidal (sp3sp^3) and SO3\mathrm{SO_3} planar (sp2sp^2); I3−\mathrm{I_3^-} is linear (sp3dsp^3d) and H2O\mathrm{H_2O} bent (sp3sp^3).
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