Explain the hydrogen bonding ?

Solutions

Expert Solution

A hydrogen bond is the electrostatic attraction between two polar groups that occurs when a hydrogen atom covalently bound to a highly electronegative atom. Usually the electronegative atom is oxygen, nitrogen, or fluorine, which has a partial negative charge. The hydrogen then has the partial positive charge.

The hydrogen bond is really a special case of dipole forces. The electronegative atom must have one or more unshared electron pairs as in the case of oxygen and nitrogen, and has a negative partial charge. The hydrogen, which has a partial positive charge tries to find another atom of oxygen or nitrogen with excess electrons to share and is attracted to the partial negative charge. This forms the basis for the hydrogen bond.

Hydrogen bonding is usually stronger than normal dipole forces between molecules.

For example

The polarity of the water molecule with the attraction of the positive and negative partial charges is the basis for the hydrogen bonding.

queen_honey_blossom answered 7 months ago

Next > < Previous

Related Solutions

a. Hydrogen bonding

a. Hydrogen bondingb. Unique properties of water. How are these properties of water crucial for life? Why do they occur?c. How do molecules dissolve in water?d. What is pH? Why is this important in biology?

Please explain 1) How does hydrogen bonding in water work? how does this hydrogen bonding affect...

Please explain 1) How does hydrogen bonding in water work? how does this hydrogen bonding affect density of ice vs water/surface tension/capilary action 2) How does the strength of the intermolecular forces influence vapor pressure/melting points/boiling points/viscosity

Indicate whether hydrogen bonding is present in the following compounds or mixtures. If hydrogen bonding is...

Indicate whether hydrogen bonding is present in the following compounds or mixtures. If hydrogen bonding is present, indicate how two molecules can hydrogen bond. For example, in a mixture of water and methanol the Hof the H2O can hydrogen bond to the O in the CH3OH. Also possible is that the OH of the CH3OH can hydrogen bond to the O of the H2O. (Of course, the H on one H2O can hydrogen bond to the O on another H2O,...

Hydrogen bonding increases the intermolecular forces of attraction and hence increased hydrogen bonding increases the solubility...

Hydrogen bonding increases the intermolecular forces of attraction and hence increased hydrogen bonding increases the solubility in a liquid. For example, Methyl alcohol which is organic in nature is miscible with water due to hydrogen bonding. For the same reason acetic acid is soluble in water due to hydrogen bonding. Acetic acid (CH3COOH) has got only one carbon atom and steric hindrance of the methy group is low which permits water (solvent) to get attached to solute. Can you elaborate...

Explain the difference in Boiling point of your unknown(Acetone) with the other solvent (Hydrogen bonding, polarity,...

Explain the difference in Boiling point of your unknown(Acetone) with the other solvent (Hydrogen bonding, polarity, molecular Weight, Structure branched or linear). Compare and explain the difference in solubility of your uknown(Acetone) in water with the other solvent.

Describe how hydrogen bonding determines many properties of water.

Properties of Water Describe how hydrogen bonding determines many properties of water. List the properties of water that make it a valuable solvent, and distinguish between hydrophilic and hydrophobic substances. Explain how the molarity of a solution—the number of moles of a solute per liter of solution—is used to measure the concentration of solutes in solution. Discuss the properties of water that are critical for the survival of living organisms.

Understand what hydrogen bonding is and how that relates to water and the solubility of salts...

Understand what hydrogen bonding is and how that relates to water and the solubility of salts and other hydrophilic molecules

whic of these interactions can be explained by hydrogen bonding. Select all that apply. HF is...

whic of these interactions can be explained by hydrogen bonding. Select all that apply. HF is a weak acid neutralized by NaOH. HF has a higher boiling point than HCl. CH4 molecules interact more closely in the liquid than in the gas phase. Ice, H2O, has a solid structure with alternating H?O interactions. H2Te has a higher boiling point than H2S.

Watch the animation and select the interactions that can be explained by hydrogen bonding. Check all...

Watch the animation and select the interactions that can be explained by hydrogen bonding. Check all that apply. Check all that apply. HF has a higher boiling point than HCl. HF is a weak acid neutralized by NaOH. CH4 molecules interact more closely in the liquid than in the gas phase. Ice, H2O, has a solid structure with alternating H−O interactions. H2Te has a higher boiling point than H2S.

Which of the four elements of secondary structures are NOT dependant on intra-chain hydrogen bonding? Alpha...

Which of the four elements of secondary structures are NOT dependant on intra-chain hydrogen bonding? Alpha Helices Beta Loops Beta Sheets Beta Turns 2. What would be the expected orientation of this protein's alpha helix? Hydrophilic amino acids are complementary to hydrophobic amino acids, so the hydrophilic side of the alpha helix should be facing toward the hydrophobic core of the protein This protein will have mostly hydrophobic amino acids in its core, so the helix will be arranged to...

Subjects