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Define hydrogen bond. Is it weaker or stronger than the van der Waals forces?
Which of the following molecules can form hydrogen bonds?
Which of the following statements about hydrogen bonding is incorrect?
Which of the following is a necessary condition for hydrogen bonding?
Hydrogen Bond It is defined as the force of attraction existing between hydrogen atom covalently bonded to highly electronegative atom (N, O or F) and the electronegative atom belonging to another molecule of the same or different substance. It is represented by dotted lines. The chains possess a zig-zag structure.
(a) o-nitrophenol is steam volatile while p-nitrophenol is not. Why? (b) Which out of CH3F and CH3Cl has a higher dipole moment and why?
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