MCQ
Dimerisation in carboxylic acid is due to
- AIonic bond
- BCovalent bond
- CCoordinate bond
- ✓Intermolecular hydrogen bond
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(Nearest integer)
[Use : Molal Freezing point depression constant of water $\left.=1.86 \,\mathrm{~K} \,\mathrm{~kg} \,\mathrm{~mol}^{-1}\right]$
Freezing Point of water $=273\, \mathrm{~K}$
Atomic masses : $\mathrm{C}: 12.0\, \mathrm{u}, \mathrm{O}: 16.0\, \mathrm{u}, \mathrm{H}: 1.0\, \mathrm{u}]$

(Molar mass $= 98\,g\,mol^{-1}$ ) by mass will be