Why does phenol have a higher boiling point than alcohol?

Because phenol has strong intremolecular force between its structure as it cintains 6 carban bonds, whereas alcohol contains 2 carbon bond relatively weaker than phenol, thats why phenol has high boiling point.

Why the boiling points of alcohols and phenols are much higher than those of alkanes ethers etc of similar molecular mass?

Alcohols have higher boiling points than do ethers and alkanes of similar molar masses because the OH group allows alcohol molecules to engage in hydrogen bonding.

Why phenol has higher boiling point?

(i) In phenols there is intermolecular hydrogen bonding(i.e. the bonding between the different molecules, between the hydrogen atom of one molecule and the electronegative atom of another molecule) and therefore, they exist as associated molecules and therefore ,have higher boiling point.

Why the boiling point of alcohol is higher than those of alkanes of similar molecular weight explain?

The hydroxyl groups in alcohol molecules are responsible for hydrogen bonding between the alcohol molecules. As greater energy is required to overcome these strong intermolecular forces, the melting points and boiling points of alcohols are higher than those of alkanes with a corresponding chain length.

Why do phenols react differently from alcohols?

Since alcohols contain the hydroxyl group, they are capable of forming hydrogen bonds with other compounds like water. Though the pH of an alcohol solution is almost neutral, they are still able to react with strong bases. Phenol is relatively strong an acid compared to alkyl alcohols.

Why is phenol more reactive than alcohol?

Phenol is more acidic than alcohols due to stabilisation of phenoxide ion through resonance. Presence of electron withdrawing group increases the acidity of phenol by , stabilising phenoxide ion while presence of electron releasing group decreases the acidity of phenol by destabilising phenoxide ion.

Which has higher boiling point alcohol or phenol?

Phenol has the higher boiling point about 181.7 °C, because in phenol the -Oh group is attached to an unsaturated carbon atom due to which it forms stronger hydrogen bonding than the alcohols and so phenol is more soluble in water and need more energy to break the H-bonds which increases its boiling point.

Why phenol has higher melting point?

Melting and boiling points The reason for the higher values for phenol is in part due to permanent dipole-dipole attractions due to the electronegativity of the oxygen – but is mainly due to hydrogen bonding.

Why alcohols have lower boiling point than corresponding phenols?

Alcohols, Phenols and Ethers. Since a large amount of energy is needed to break the extensive hydrogen bonds, which hold a large number of alcohol molelcules together, so the boiling points of alcohols are significantly higher than the corresponding alkanes, in which no such hydrogen bonding can take place.

How does phenol differ from alcohol?

Compounds in which an OH group is attached directly to an aromatic ring are designated ArOH and called phenols. Phenols differ from alcohols in that they are slightly acidic in water. They react with aqueous sodium hydroxide (NaOH) to form salts. The parent compound, C 6H 5OH, is itself called phenol.

Why do phenols sometimes react differently from the alcohols despite the presence of the same functional group?

Why do phenols sometimes react differently from alcohols despite the presence of the same functional group? This is because the carbon atom to which the hydroxyl group is attached is unsaturated, as it is double bonded with an oxygen atom. Instead, acetic acid is a carboxylic acid.

Why does ethanol have a higher boiling point than phenol?

The higher pKa of ethanol means its proton is more strongly associated with the oxygen atom it is bound to than the proton in phenol. Hydrogen bonding is stronger when the separation of charge is greater between the hydrogen and oxygen atoms, and when hydrogen bonding is stronger, the boiling point is higher.

Why does ethanol have a higher pKa than phenol?

A phenol has a much lower pKa than ethanol, 9.95 vs 15.9. The higher pKa of ethanol means its proton is more strongly associated with the oxygen atom it is bound to than the proton in phenol. Hydrogen bonding is stronger when the separation of charge is greater between the hydrogen and oxygen atoms, and when hydrogen bonding

What is the molecular weight of phenol in HCl?

Phenol is an aromatic hydrocarbon and a derivative of benzene. Phenol is a white crystalline solid with molecular formula C 6H 6OH. It is flammable and has a strong odour. The molecular weight of this molecule is 94 g mol -1. The melting point is 40.5 oC, and the boiling point is 181 oC.

What is the difference between an alcohol and a phenol?

O H Alcohols contain an OH group connected to a saturated carbon (sp3) Phenols contain an OH group connected to a carbon of a benzene ring 77 O H H RO R’ water alcohol ether peroxide S RH S RR S RS R’ thiols thioether disulfides