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Which of the following compounds shows strongest hydrogen bonding? A H F B H 2 ​ O C N H 3 ​ D C H 3 ​ O H

Which of the following compounds shows strongest hydrogen bonding?

A

HF

B

H2​O

C

NH3​

D

CH3​OH

Grade:12th pass

1 Answers

Mayank Ranka
askIITians Faculty 277 Points
3 years ago
Dear student,

Among the F, O and N , Fluorine has the higher value of electronegativity, this is the reason that fluorine can form the strongest hydrogen bond with the H atom of another molecule.

Just take an idea from the value of energy of hydrogen bond that is formed with HF, H2​O and NH3​
 
  HF 10kcal/mol 
 H2​O  7Kcal/mol
 NH3​  2Kcal/mol
means to break the hydrogen of one mole HF molecules, 10Kcal energy is required.
So the correct option is [A].

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