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Q.
Which of the following compounds will have the highest dipole moment?
NTA AbhyasNTA Abhyas 2020Chemical Bonding and Molecular Structure
Solution:
The electron-donation of $-OH$ reinforces the electron-withdrawing by $-NO_{2}$ . Also, resonance increases distance between the charges. Charge separation is maximum for p-nitrophenol, therefore, it has maximum dipole moment.
