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At least one H+ ion, called proton, and one anion which remains when the proton is donated to a base or to a water molecule: H3O+ (hydronium) is formed, lowering pH of the water.
The above isn't actually wrong, though it's worth noting that that's actually a description of a particular type of acid (an Arrhenius or possibly Brønsted-Lowry acid). Lewis acids use a more general definition and are not required to contain any particular ion... any electron pair acceptor is a Lewis acid. (All Lewis acids are Brønsted acids, but not all Brønsted acids are Lewis acids.)
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Why are ketones acidic in nature?
Ketones are acidic in nature because they contain a carbonyl group, which can release a hydrogen ion (H) in a chemical reaction, making them acidic.
Which compounds does not contain polyatomic ion?
Compounds like sodium chloride (NaCl), methane (CH4), and water (H2O) do not contain polyatomic ions. These compounds are formed from simple combinations of individual elements without the presence of complex ions.
Acidic compounds contain which element?
Well it depends on what kind of acid you're talking about. Most people think of acids as hydrogen donating compounds and that is indeed one type of acid. It fits under the Bronsted-Lowry definition of an acid and under the Arrhenius definition (which says that acids are compounds that dissociate in water into hydrogen ions etc.). However, under the Lewis definition, an acid is anything that can accept an electron pair and it doesn't have to contain hydrogen.
Is NH42SO4 alkaline or acidic or neutral?
NH4HSO4 is acidic. When dissolved in water, it forms ammonium ion (NH4+) and hydrogen sulfate ion (HSO4-), which can donate a hydrogen ion (H+) to the solution, making it acidic.
Why do monoprotic acidic salts behave as strong acids?
Monoprotic acidic salts contain only one acidic hydrogen ion that can easily dissociate in water, leading to a high concentration of H+ ions in solution. This results in a low pH and strong acidic behavior.
