Chemistry-
General
Easy
Question
I)1, 2-dihydroxy benzene
II) 1, 3-dihydroxy benzene
III) 1, 4-dihydroxy benzene
IV) Hydroxy benzene The increasing order of boiling points of above mentioned alcohols is
The correct answer is:
1, 4-dihydroxy benzene shows the highest boiling point among given compounds because it forms strong intermolecular hydrogen bonds (It does not form intermolecular H-bonding.)
Order of H-bonding in 
, 
and 
-isomers of a compound is given below
Intermolecular H-bonding, 
-isomers
intermolecular H-bonding
isomers.
Hydroxy benzene do not form a chain of H-bonding . Hence, intermolecular H-bond is stronger than intermolecular H-bonds, so the stability of 1, 4-dihydroxy benzene is highest. Hence its boiling point is highest. The increasing order of the boiling points of the given compound is
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