Pair of molecules which forms strongest intermolecular hydrogen bonds is ……… `(SiH_(4)` and `SiF_(4)`, acetone and `CHCl_(3)`, formic acid and acetic acid)

Explanation

`(HCOOH and CH_(3)COOH)" " H-overset(O)overset(square)C-OH` and `CH_(3)-overset(O)overset(square)C-OH`. Both are capable of forming H-bonds.