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MHT CET202527 Apr 2025Evening ShiftChemistryChemical Bonding and Molecular StructureActual

Which from the following molecules does not develop intermolecular hydrogen bonding?

Options

  1. AH ₂ O
  2. BNH ₃
  3. CBr ₂
  4. DHF

Correct answer

A. H ₂ O

Step-by-step solution

Intermolecular hydrogen bonding requires hydrogen atoms covalently bonded to highly electronegative atoms (F, O, or N) adjacent to atoms with lone electron pairs. Water ( H ₂ O ) features hydrogen-oxygen bonds with oxygen lone pairs, enabling hydrogen bonding. Ammonia ( NH ₃ ) has hydrogen-nitrogen bonds with nitrogen lone pairs, facilitating hydrogen bonding. Hydrogen fluoride (HF) contains hydrogen-fluorine bonds with fluorine lone pairs, supporting strong hydrogen bonding. Bromine ( Br ₂ ) lacks hydrogen atoms e

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