What is the chemical formula of phenoxide ion?
Phenolate
| PubChem CID | 119047 |
|---|---|
| Molecular Formula | C6H5O- |
| Synonyms | phenolate phenoxide phenoxide anion Phenoxy ion Phenol ion More… |
| Molecular Weight | 93.10 |
| Parent Compound | CID 996 (Phenol) |
Why does phenol form phenoxide ion?
Due to the higher electronegativity of this carbon atom in comparison to the hydroxyl group attached, electron density decreases on the oxygen atom. The decrease in electron density increases the polarity of O-H bond and results in the increase in ionization of phenols. Thus, the phenoxide ion is formed.
Why is phenoxide ion more?
Since, phenoxide ion is resonance stabilized therefore, ionization of phenol requires less energy while alkoxides are not resonance stabilized so, they require greater energy. Thus, the ionization of phenols is much more favoured than the alcohols that’s why phenols are more acidic than the alcohols.
What is the structure of phenoxide?
Phenoxide has the molecular formula C6H5O and its molecular weight is 93.1 g/mol. Phenoxide ions contain non-equivalent resonance structures in which negative charge is there which is less effectively delocalised over less electronegative carbon atom and 1 oxygen atom.
Why is phenoxide ion a weak base?
Because the charge is less concentrated on oxygen, the anion will have a smaller tendency to combine with a proton; therefore, the phenoxide ion is a weaker base than an alkoxide ion (and, conversely, phenol is a stronger acid than an alcohol).
Why phenoxide ion is stable than phenol?
Phenoxide ion is more stable than phenol due to the delocalisation of negative charge in phenoxide ion. Explanation: Due to delocalisation of negative charge, phenoxide ion is more stable than phenol.
Why is phenoxide more reactive than phenol?
Why? Answer: Due to greater ability of ion (than OH group) to donate electrons to the benzene ring, phenoxide ion is more reactive than phenol towards electrophilic aromatic substitution reactions.
Why is phenoxide ion aromatic?
Infact, it is due to these resonance characteristics the phenol is highly acidic as there is a partial positive charge on the oxygen atom in the resonance stabilised phenol and the phenoxide ion thus formed itself is resonance stabilised. …
Why is phenoxide ion more reactive than phenol?
How many resonance structures does phenoxide ion have?
three resonating structures
Complete step-by-step answer: So, there are three resonating structures of phenoxide ions.
What is the difference between phenol and phenoxide?
What is a phenoxide ion? A phenoxide ion is the conjugate base of phenol. Phenoxide is a conjugate base, this implies that it is formed from an acid that has given up its hydrogen. This acid is a phenol molecule.
Is the phenoxide ion aromatic?
Is the phenoxide ion aromatic? I read that technically it isn’t aromatic because it violates some arcane rule, but I can’t find any references in the literature. has a system of conjugated p-orbitals. has 4n+2 pi electrons: 2 from the oxygen lone pair that is delocalized and n = 0. is cyclic. Show activity on this post.
What is the structure of the ionic compound hpphenoxide?
Phenoxide is a conjugate base, this implies that it is formed from an acid that has given up its hydrogen. This acid is a phenol molecule. The hydrogen of the hydroxyl leaves, and an O − remains, forming the ‘oxide ion’ part of the phenoxide ion.
What is the acidity of phenol?
Acidity of phenol. Phenols are more acidic than alcohols but less acidic that carboxylic acid. Phenols are acidic due the formation of more stable phenoxide ions in aqueous solution. Here the negative charge of oxygen after releasing hydrogen atom dispersed the aromatic ring and thus stabilize.