Which of the following compounds shows evidence of the strongest hydrogen bond

Which of the following compounds shows evidence of the strongest hydrogen bonding

Options

(a) Propan-1-ol
(b) Propan-2ol
(c) Propane-1,2-diol
(d) propane-1,2,3-triol

Correct Answer:

propane-1,2,3-triol

Explanation:

Propane -1,2,3-triol or glycerol has very high boiling point i.e., 290⁰C. The high viscosity and high boiling point of glycerol are due to association through extensive intermolecular hydrogen bonding.

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