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JEE Main2017ChemistryChemical Bonding and Molecular StructureActual

The group having triangular planar structure is:

Options

  1. ABF 3 ,   NF 3 ,   CO 3 2 -
  2. BCO 3 2 - ,   NO 3 - ,   SO 3
  3. CNH 3 ,   SO 3 ,   CO 3 2 -
  4. DNCl 3 ,   BCl 3 ,   SO 3

Correct answer

B. CO 3 2 - ,   NO 3 - ,   SO 3

Step-by-step solution

CO 3 - 2 ,   NO 3 - ,   SO 3 : plane   triangular   shape . Central atom in all these three species is sp 2 hybridized, without any lone pairs on the central atom.

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