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NEET2003ChemistryCoordination CompoundsActual

Assertion: NF ₃ is a weaker ligand than N ( CH ₃ )₃ . Reason : NF ₃ ionizes to give F ⁻ ions in aqueous solution.

Options

  1. AIf both assertion and reason are true and the reason is the correct explanation of the assertion
  2. BIf both assertion and reason are true and the reason is not the correct explanation of the assertion
  3. CIf assertion is true but reason is false
  4. DIf both assertion and reason are false.

Correct answer

C. If assertion is true but reason is false

Step-by-step solution

Due to high electronegativity of F-atoms, the lone pair of N -atom in NF ₃ molecule cannot be ligated easily. Except, nitrogen fluoride, all other halides hydrolyse in water. NCl ₃+3 H ₂ O NH ₃+3 HClO .

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