What is Arrhenius concept of acid and base?
The universal aqueous acid-base definition of the Arrhenius concept is described as the formation of water from hydrogen and hydroxide ions, or hydrogen ions and hydroxide ions from the dissociation of an acid and base in aqueous solution:H+ (aq) + OH− (aq) <-=-> H2O
(In modern times, the use of H+ is regarded as a shorthand for H3O+, since it is now known that the bare proton H+ does not exist as a free species in solution.)
This leads to the definition that in Arrhenius acid-base reactions, a salt and water is formed from the reaction between an acid and a base. In other words, this is a neutralization reaction.acid+ + base− → salt + water
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Arrhenius acids release hydrogen ions (H+) in aqueous solutions, while Arrhenius bases release hydroxide ions (OH-) in aqueous solutions.
No, CH3OH (methanol) is not an Arrhenius base. It is a weak acid.
Ba(OH)2 is classified as an Arrhenius base.
No, BF3 is not an Arrhenius acid. It is a Lewis acid because it can accept a pair of electrons from a Lewis base to form a coordinate covalent bond.
Yes, that's correct. An Arrhenius acid releases H+ ions in water, making it a Bronsted-Lowry acid. On the other hand, an Arrhenius base releases OH- ions in water but may not necessarily donate or accept protons in other reactions, so it is not always considered a Bronsted-Lowry base.
No, Br- is not an Arrhenius base. It is the conjugate base of hydrobromic acid (HBr) and would act as a base in a Brønsted-Lowry sense by accepting a proton.