A hydrogen atom becomes acidic when it is bonded to a highly atom (like oxygen, nitrogen, or chlorine) or is positioned near electron-withdrawing groups. These neighboring atoms pull electron density away from the hydrogen, weakening the bond and making it easier for the hydrogen to "pop off" as a positive ion. Licensed by Google Key Characteristics Bond Polarity : The more polar the bond (e.g., ), the more acidic the hydrogen generally is.
: In organic chemistry, hydrogens attached to a carbon right next to a carbonyl group ( ) can also be acidic due to resonance stabilization. acid hydrogen
), the hydrogen is bonded to a chlorine atom, which easily releases the proton in water. A hydrogen atom becomes acidic when it is
An (or acidic hydrogen) is a hydrogen atom in a molecule that can be released as a proton ( H+cap H raised to the positive power ) when reacting with a base. What Makes a Hydrogen Acidic? : In organic chemistry, hydrogens attached to a