Which of the following structural features would allow a molecular substance to exhibit hydrogen bonding between its molecules? select all that apply.
Question: Which of the following structural features would allow a molecular substance to exhibit hydrogen bonding between its molecules? select all that apply.
Hydrogen bonding is a type of intermolecular force that occurs when a hydrogen atom is covalently bonded to a highly electronegative atom, such as nitrogen, oxygen or fluorine, and is attracted to another electronegative atom in a nearby molecule. Hydrogen bonding is responsible for many of the properties of water, such as its high boiling point, surface tension and solubility of polar substances.
To determine which of the following structural features would allow a molecular substance to exhibit hydrogen bonding between its molecules, we need to apply two criteria:
- The substance must have hydrogen atoms covalently bonded to nitrogen, oxygen or fluorine atoms.
- The substance must have lone pairs of electrons on the nitrogen, oxygen or fluorine atoms that can accept a hydrogen bond from another molecule.
Based on these criteria, we can select all the structural features that would allow a molecular substance to exhibit hydrogen bonding between its molecules:
- A hydroxyl group (-OH)
- An amine group (-NH2, -NH or -N)
- A carboxyl group (-COOH)
- A fluorine atom (F)
These structural features have hydrogen atoms bonded to electronegative atoms and also have lone pairs of electrons that can act as hydrogen bond acceptors. Therefore, they can form hydrogen bonds with other molecules that have similar features.
Some examples of molecular substances that exhibit hydrogen bonding between their molecules are:
- Water (H2O), which has two hydroxyl groups
- Ammonia (NH3), which has one amine group
- Ethanol (C2H5OH), which has one hydroxyl group and one ethyl group
- Acetic acid (CH3COOH), which has one carboxyl group and one methyl group
- Hydrogen fluoride (HF), which has one fluorine atom
Rjwala is your freely Ai Social Learning Platform. here our team solve your academic problems daily.
0 Komentar
Post a Comment