# Which of the following is the correct order for the strength of hydrogen bonds

$\begin{array}{1 1}(a)\;ClH....Cl > NH....N > OH....O > FH.....F\\(b)\; FH....F > NH....N > OH....O > ClH.....Cl\\(c)\;NH....N > FH....F > ClH....Cl > OH.....O\\(d)\;FH....F > HO....O > NH....N > ClH.....Cl\end{array}$

$FH....F > HO....O > NH....N > ClH.....Cl$
F-atom has the highest electronegativity value,forms the strongest H-bonds.
Hence (d) is the correct answer.