Which of the following statement is incorrect for ligand-metal complex

• A

  Larger the donor atom of the ligand, the more stable is the metal-ligand bond
• Correct answer
  B

  Highly charged ligand forms strong bond
• C

  Larger the permanent dipole moment of ligand, the more stable is the bond
• D

  Greater the ionization potential of central metal, the stronger is the bond

Hence, the correct answer is option: 'B'.