BCl 3 is a planar molecule, while NCl 3 is pyramidal, because:

Chemistry · NEET · NTA ExamsChemical Bonding and Molecular Structure

BCl3 is a planar molecule, while NCl3 is pyramidal, because:
  1. N-Cl bond is more covalent than B-Cl bond
  2. nitrogen atom is smaller than boron atom
  3. B-Cl bond is more polar than N-Cl bond
  4. BCl3 has no lone pair of electrons but NCl3 has a lone pair of electrons

Answer

(D) BCl 3 has no lone pair of electrons but NCl 3 has a lone pair of electrons

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