1.

Strongest intermolecular hydrogen bond is present in the following molecules pairs        [IIT 1981; DCE 2000]

A.                 \[Si{{H}_{4}}\] and \[SiF\]
B.                 \[C{{H}_{3}}-\overset{\overset{O}{\mathop{||}}\,}{\mathop{C}}\,-C{{H}_{3}}\] and \[CHC{{l}_{3}}\]
C.                 \[H-\overset{\overset{O}{\mathop{||}}\,}{\mathop{C}}\,-OH\] and \[C{{H}_{3}}-\overset{\overset{O}{\mathop{||}}\,}{\mathop{C}}\,-OH\]
D.                 \[{{H}_{2}}O\] and \[{{H}_{2}}{{O}_{2}}\]
Answer» D.                 \[{{H}_{2}}O\] and \[{{H}_{2}}{{O}_{2}}\]


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