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Increasing strength of hydrogen bonding (X – H - H) : O, S, F, Cl, N SOL: Cl how is this possible someone pls explain it for me hurry aieee approaching !!!

Increasing strength of hydrogen bonding (X – H - H) :
O, S, F, Cl, N

SOL: Cl < S < N < O < F

how is this possible someone pls explain it for me hurry aieee approaching !!!

Grade:12

1 Answers

vikas askiitian expert
509 Points
11 years ago

order of electronegativity = F>O>N>Cl>S

 

for better hydrogen bonding , electronegativity shoud be high &

size of atom should be small...

 

Florine will give max hydrogen bonding > then oxygen >  then nitrogen here electronegativity difference is important parameter , size dosent playes any role coz all are having approximately same size ..

but in case of Cl & S as size of Cl is very large  compared to S so ,  sulphur will form more effective hydrogen bonding that chlorine...    (small size better hydrogen bond)

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