AP BIOLOGY

BIOCHEMISTRY

PH

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Why are H bonds the strongest type of Dipole Dipole bond?
A
H does not usually have a neutron
B
H only has one electron therefore it is a positive atom
C
H is the smallest element, therefore it gets the most amount of time possible with the electrons
D
H is the smallest element, therefore it gets the least amount of time possible with the electrons
Explanation: 

Detailed explanation-1: -Hydrogen bonds are stronger than dipole-dipole interactions because hydrogen bond is formed between highly electronegative atoms (F, O, N) and hydrogen. This electronegativity difference is more and thus dipole is stronger as compared to any polar bond which has dipole-dipole interactions.

Detailed explanation-2: -Hydrogen bonds are the strongest of intermolecular forces for covalent compounds because they have the strongest permanent molecular dipoles of any covalent bonds. The three types of covalent bonds that qualify for hydrogen bonding are H-F, O-H, and N-H bonds.

Detailed explanation-3: -Hydrogen bonds are typically stronger than other dipole-dipole forces.

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