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Explain why the carbonyl oxygen in the acid-base protonation reaction of acetic acid preferentially gets protonated over the hydroxyl group in the acetic acid?
The carbonyl oxygen is more acidic than the hydroxyl group in acetic acid because the carbonyl oxygen is part of a more stable conjugate base. The resulting carboxylate anion is resonance stabilized due to delocalization of the negative charge over the two oxygen atoms. This makes it easier for the carbonyl oxygen to accept a proton.
Is aldehyde a base or an acid?
An aldehyde is typically neutral, neither a base nor an acid. In some cases, aldehydes can act as weak acids by donating a proton from the carbonyl group, but they are generally considered to be neutral compounds in terms of acidity and basicity.
Does ethanoic acid more closely resemble hydroxyl or carbonyl compounds in its reaction?
Ethanoic acid resembles hydroxyl compounds more than carbonyl because it reacts with sodium and phosphorus pentachloride, typical alcohol reactions. But it doesn't react with 2,4- dinitrophenylhydrozine (typical carbonyl compound).
Is NO2 acid or base in water?
NO2 can act as both an acid and a base in water. When dissolved in water, NO2 can act as an acid by donating a proton to water, forming nitric acid. It can also act as a base by accepting a proton from water, producing nitrite ions.
If water can act as an acid or base what is it?
Water can act as both an acid and a base, making it amphoteric. It can donate a proton (H+) to behave as an acid or accept a proton to act as a base. This property is known as self-ionization of water.
Can an amphoteric compound act like an acid and a base?
Am amphoteric substance can react as a base but also as an acid.
Explain why the carbonyl oxygen in the acid-base protonation reaction of acetic acid preferentially gets protonated over the hydroxyl group in the acetic acid?
The carbonyl oxygen is more acidic than the hydroxyl group in acetic acid because the carbonyl oxygen is part of a more stable conjugate base. The resulting carboxylate anion is resonance stabilized due to delocalization of the negative charge over the two oxygen atoms. This makes it easier for the carbonyl oxygen to accept a proton.
Is carbonyl acid in water?
yes
Is aldehyde a base or an acid?
An aldehyde is typically neutral, neither a base nor an acid. In some cases, aldehydes can act as weak acids by donating a proton from the carbonyl group, but they are generally considered to be neutral compounds in terms of acidity and basicity.
Does ethanoic acid more closely resemble hydroxyl or carbonyl compounds in its reaction?
Ethanoic acid resembles hydroxyl compounds more than carbonyl because it reacts with sodium and phosphorus pentachloride, typical alcohol reactions. But it doesn't react with 2,4- dinitrophenylhydrozine (typical carbonyl compound).
Is NO2 acid or base in water?
NO2 can act as both an acid and a base in water. When dissolved in water, NO2 can act as an acid by donating a proton to water, forming nitric acid. It can also act as a base by accepting a proton from water, producing nitrite ions.
If water can act as an acid or base what is it?
Water can act as both an acid and a base, making it amphoteric. It can donate a proton (H+) to behave as an acid or accept a proton to act as a base. This property is known as self-ionization of water.
Is AlOH3 an acid or a base?
Al(OH)3 is a base (Aluminum hyroxide)
Is hydrogen an acid or a base?
Hydrogen can be both an acid and a base depending on the context. In the Brønsted-Lowry theory, it can act as an acid by donating a proton (H+) or as a base by accepting a proton. In the Lewis theory, hydrogen can act as a base by donating a pair of electrons.
Can an amphoretic molecule act as an acid or base?
both
Is nho3 a base?
No, NH3 is not a base; it is actually an acid. It is known as ammonia, which can act as a weak base when dissolved in water.
What are the conditions for the halogenation of carbonyl compounds?
Carbonyl compounds can be halogenated through either base or acid catalysis, although a difference in products can be expected; acid catalysis is more likely to produce alpha-monohalogenated carbonyl compounds (although polyhalogenation is also possible with acid), and base is more likely to produce a polyhalogenated alpha carbonyl compound. Halogenation occurs through an enolate/enol intermediate (base or acid respectively). In the case of basic halogenation an enolate is formed at the alpha position of the carbonyl carbon. The enolate (nucleohile) then attacks the halogen (Br2, Cl2, I2-typically not F2) since the halogen molecule acts as a polarized electrophile. The monohalogenated product is now more reactive than the unhalogenated reactant since the electron withdrawing halogen makes any alpha protons remaining even more acidic and susceptible to abstraction via base to create another enolate, and the process can be repeated.
