Elements and Compounds

What is an acidic hydrogen atom?


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2008-04-21 01:27:28
2008-04-21 01:27:28

An acidic hydrogen atom is a hydrogen atom that has lost its electron and is running around as a hydrogen ion. The lone proton (in 1H) has loaned out its electron in a chemical reaction, like to chlorine in HCl, and when HCl is combined with water, the H and the Cl separate into H+ and Cl- ions. That H+ ion is the acidic hydrogen atom.


Related Questions

Acidic hydrogen is a hydrogen atom from an acid which form the cation H+ by dissolution/dissociation of the acid.

BECAUSE OF THE hydrogen atom..

Any acidic compound; one that contains an acidic hydrogen atom.

Owing to the resonance stabilization of the conjugate base, an alpha hydrogen (alpha hydrogen is the hydrogen attached to the carbon adjacent to the carbonyl group) in an aldehyde is more acidic than a hydrogen atom in an alkane, with a typical pKa of about 17.

if the salt contains a ionize able hydrogen atom the this salt will b termed as an acidic salt..... as acid contains ionize able hydrogen atoms.... examples are.. NAHSO4

Hydrogen chloride molecule has 1 chlorine atom and 1 hydrogen atom.

No. Hydrogen, H2, is neutral. H+ ions are acidic.

Sp hybridized carbon atom of alkyne pulls the electrons more strongly making he attached Hydrogen atom slightly acidic Becoming more suitable for Nucleophilic attack.In Alkenes no acidic Hydrogen is present.

In organic chemistry, alpha hydrogen is attached to the carbon next to the functional group, for example, all the hydrogens on the carbon in CH3OH are alpha-H. We can identify acidic hydrogen by noting all those hydrogens which are either attached to an electronegative atom or any other atom which has a partial positive charge and thus starts pulling the bond electrons.

No. Hydrogen gas is neither acidic nor basic. It is the hydrogen ion that contributes to acidity.

Phenol is more acidic than alcohols since the negative charge that is acquired by removal of a hydrogen atom can be delocalised into the molecules ring structure. acyclic alcohols cannot "spread" this charge as well as conjugated systems and thus will less readily lose their hydrogen atom.

The difference between a hydrogen atom and atomic hydrogen is that the "hydrogen atom" represents one atom of the chemical element hydrogen. Atomic hydrogen are isolated hydrogen atoms.

In butane NONE of the 10 hydrogen atoms are acidic hydrogens (at least not in water) so you can NOT specify which ones are more (or less) acidic.

Actually, it's both. It's got a basic hydroxyl group sticking out there, and an acidic hydrogen on that Nitrogen atom. But not very strong one way or the other...

The acidic hydrogen is the one attached to oxygen (as underlined / bold).CH3COOH

Hydrogen itself is not acidic, however it is a component of nearly all acidic substances.

CH3COOH is the formula of acetic acid. The hydrogen attached to O atom is more acetic as compared to the rest of methyl hydrogen, because the oxygen is more electronegative and makes hydrogen easy for protonation.

Phenols are acidic in aqueous solution. The oxygen atom off of the benzene ring acts as an electron donating group, and pulls the electron density towards the benzene ring and away from the hydrogen atom. This makes the hydrogen easily extracted by free floating H2O molecules. Because of this, H3O+ molecules form, and this is equivalent to H+ which can show a low pH, which is characteristic of acidic solutions.

Hydrogen gas is neutral.

Aqueous hydrogen chloride breaks into ions and dissolve in water. As it gives hydrogen ions also, it is acidic.

Hydrogen atoms (which make it acidic) and hydroxide ions (which make it alkaline). This explains why water is neutral: it is a hydrogen atom bonded to a hydroxide ion!

Hydrogen oxide, also known as water, is generally regarded as neutral. In reality it is amphoteric, possessing both acidic and basic properties. Hydrogen peroxide is mildly acidic.

For a compound to be a base (alkalis are soluble bases) it must be able to receive a hydrogen atom and since hydrogen cant lose itself, it is not an alkali (nor an acid) therefore no elements are alkaline or acidic

There is one atom in a hydrogen atom

yes the smallest atom is hydrogen

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