How can you tell which molecule has a stronger hydrogen bond?
How can you tell which molecule has a stronger hydrogen bond?
An electronegative atom such as fluorine, oxygen, or nitrogen is a hydrogen bond acceptor, regardless of whether it is bonded to a hydrogen atom or not. Greater electronegativity of the hydrogen bond acceptor will create a stronger hydrogen bond.
How do you determine the strength of intermolecular attraction?
5. Bottom Line
- Boiling points are a measure of intermolecular forces.
- The intermolecular forces increase with increasing polarization of bonds.
- The strength of intermolecular forces (and therefore impact on boiling points) is ionic > hydrogen bonding > dipole dipole > dispersion.
Which of the following attraction is strongest?
Explanation: Ionic bonds are the strongest type of bonds, followed by covalent bonds, hydrogen bonds, and lastly, van Der waals forces.
Why Vapour pressure of acetone is higher than ethanol?
Acetone being a ketone has no direct O−H bonds, hence lacks hydrogen bondigs. Hence, ethanol has intermolecular hydrogen bonds. Therefore, more stroger physical bonds have to be destroyed in ethanol, than in acetone. Hence, acetone evaporates faster than ethanol inspite of having higher surface tension
What has the highest vapor pressure?
Diethyl ether
Which evaporates faster ethanol or isopropyl alcohol?
Answer 1: Thank you for the question. Rubbing alcohol consists mainly of ethanol or isopropanol. Ethanol and isopropanol boil at a lower temperature than water, which generally means that they will evaporate quicker than water
Does water or ethanol evaporate faster?
As alcohol evaporates at a much faster rate compared with water due to its lower boiling temperature (82 compared to 100 degrees C), it is able to carry away more heat from the skin. This means for a given amount of time much more alcohol evaporates than water
What is the difference between rubbing alcohol and isopropyl alcohol?
The difference between rubbing alcohol and more pure forms of isopropyl alcohol is that rubbing alcohol contains denaturants which make the solution unpalatable for human consumption. In documents cited by the CDC, “rubbing alcohol” is defined as 70% isopropyl alcohol and 30% water