MCQ
Hydrogen bond energy is equal to
  • A
    $3 -7$ $cals$
  • B
    $30 -70\, cals$
  • $3 -10\, k\,cals$
  • D
    $30 -70\, k\,cals$

Answer

Correct option: C.
$3 -10\, k\,cals$
c
Depending on geometry and environment, the hydrogen bond free energy content is between $1$ and $5 \,k \,cal / mol$. This makes it stronger than a van der Waals interaction, but weaker than covalent or ionic bonds.

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