The pair of molecules forming strongest hydrogen bonds are
The pair of molecules forming strongest hydrogen bonds are
A. `SiH_(4) and SiF_(6)`
B. `CH_(3)-underset(O) underset(||)C-CH_(3) and CHCl_(3)`
C. `H-underset(O) underset(||) C-OH and CH_(3)- underset(O) underset(||)C-OH`
D. `H_(2)O and H_(2)`
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Correct Answer - C
Strongest H-bonds are fomed in between `HCOOH and CH_(3)COOH`. This is because H- bonding increase with electronegativity decreases with size or atom.
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