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Highly selective Backlog Qs for JEE MainChemistryChemical Bonding and Molecular Structure

The dipole moment of A X 3 ,   B X 3 and C X 3 are 1.5 D, 0.5 D and 0 D respectively. The possible shapes of molecules may be (consider C has no Lone pair) (A, B and C are are more electronegative than X)

Options

  1. APyramidal, T-shape, Trigonal planar respectively.
  2. BT-shape, Pyramidal, Square planar respectively.
  3. CT-shape, Pyramidal, Trigonal planar respectively.
  4. DPyramidal, T-shape, Square planar respectively.

Correct answer

A. Pyramidal, T-shape, Trigonal planar respectively.

Step-by-step solution

Maximum dipole moment for M X 3 type structures would be in pyramidal while least would be in trigonal planar.

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