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  • Hydrogen bonding is not present inOption: 1 GlycerineOption: 2 Water<div clas

Hydrogen bonding is not present in

Option: 1

Glycerine


Option: 2

Water


Option: 3

Hydrogen sulphide


Option: 4

Hydrogen fluoride


Answers (1)

best_answer

 

 

Hydrogen Bonding -

Hydrogen Bonding

Hydrogen bonds are strong forces which occurs when a hydrogen atom bonded to an electronegative atom approaches a nearby electronegative atom such as O, N, F, etc.. Greater the electronegativity of the atom will result in an increase in hydrogen-bond strength. The hydrogen bond is stronger intermolecular force, but it is weaker than a covalent or an ionic bond. Hydrogen bonds are responsible for holding together DNA, proteins, and other macromolecules.

 

Formation of Hydrogen Bond

A hydrogen bond is the electromagnetic attraction that occurs between a partially positively charged hydrogen atom attached to a highly electronegative atom and another nearby electronegative atom. A hydrogen bond is a type of dipole-dipole interaction; it is not a true chemical bond. This hydrogen bond attraction can occur between the different molecules (intermolecularly) or within different parts of a single molecule (intramolecularly).

-

As we have learnt,
H\! - bonding does not exist in H_{2}S because of large size and low electronegativity of sulphur.
Hence, option number (3) is correct.

Posted by

Pankaj

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