Which statement is incorrect about the nature of the hydrogen bond? - ProProfs Discuss
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Which statement is incorrect about the nature of the hydrogen bond?



A. The donor is a hydrogen atom bonded to a less electronegative atom than hydrogen.
B. The more linear the bond, the stronger the interaction.
C. The acceptor is a fairly electronegative atom containing a nonbonding pair of electrons.
D. It is a type of noncovalent bond.

This question is part of BIOCHEMISTRY EXAM 1
Asked by Andreazza, Last updated: Feb 21, 2020

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2 Answers

H. Martin

H. Martin, Content Writer, Charlotte

Answered Jun 28, 2018

A hydrogen bond occurs when a more electronegative atom such as fluorine (F), nitrogen (N), or oxygen (O), is attracted to hydrogen (H). Any atoms that are less electronegative than hydrogen cannot form a hydrogen bond. When a hydrogen atom is bonded with another hydrogen atom, the bond they form is call intramolecular bond.

Intermolecular on the other hand is when hydrogen bonds with a different kind of atom. Not all hydrogen bonds have the same strength. An HO−H···:OH+3 has a 4.3 kcal.mol strength while the F−H···:F has 38.6 kcal/mol bonding strength. The hydrogen may be the proton acceptor or donor depending if the electronegative atom is covalently bonded or not to it.

 

John Smith

John Smith

Answered May 30, 2017

The donor is a hydrogen atom bonded to a less electronegative atom than hydrogen.
 

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