A hydrogen bond is the attractive interaction of a hydrogen atom with an electronegative atom, such as nitrogen, oxygen or fluorine, that comes from another molecule or chemical group. The hydrogen must be covalently bonded to another electronegative atom to create the bond. These bonds canoccur between molecules (intermolecularly), or within different parts of a single molecule (intramolecularly).[2] The hydrogen bond (5 to 30 kJ/mole) is stronger than a van der Waals interaction, but weaker than covalent or ionic bonds. This type of bond occurs in both inorganic molecules such as water and organic molecules such as DNA.
Intermolecular hydrogen bonding is responsible for the high boiling point of water (100 °C) compared to the other group 16 hydrides that have no hydrogen bonds. Intramolecular hydrogen bonding is partly responsible for the secondary, tertiary, and quaternary structures of proteins and nucleic acids. It also plays an important role in the structure of polymers, both synthetic and natural.
A task group formed by IUPAC has come up with a modern definition of hydrogen bonding in 2011.
A hydrogen bond.
A hydrogen bond.
It is not a hydrogen bond if they are in same molecule.But H bond forms between them.
No. Hydrogen bond is weaker than covalent bond.
CO does not contain hydrogen, therefore it is not a hydrogen bond.
A hydrogen bond is a weak bond formed between two molecules or atoms. It is caused by an atom of hydrogen being attracted to spare electron pairs on a neighbouring atom.
When a molecule expands within a hydrogen atom it is released by an incorrerated molecule inside a desticated part of the atom.
A hydrogen bond.
A hydrogen bond.
This attraction is called hydrogen bond, what causes higher boyling point in relation to compounds without such bonds
The heat causes the carbon to bond with oxygen and form CO2. The hydrogen becomes Hydrogen Gas which is H2.
It is not a hydrogen bond if they are in same molecule.But H bond forms between them.
No. Hydrogen bond is weaker than covalent bond.
CO does not contain hydrogen, therefore it is not a hydrogen bond.
A hydrogen bond--two between A and T and three between G and C.
yes, they can accept the hydrogen bond with water (they don't have a hydrogen to hydrogen bond with other ketones however.)
CCl2F2 can act as a hydrogen bond acceptor at the fluorine atoms, by not as a hydrogen bond donor, as it does not have any hydrogen atoms.