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Yes! Amines are much better nucleophiles than alcohols. The oxygen-hydrogen bond of alcohols is characterized by a strong induction effect as oxygen is an electronegative atom. Nitrogen is less electronegative than oxygen and so is not able to accommodate negative charges. Nitrogen as a nucleophile or base is less stable and therefore more reactive.
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Why do aldehydes and ketones have lower boiling points than their correspending alcohols?
Ketones and aldehydes do not have hydrocarbon atoms which bond to nitrogen or oxygen, individual molecules do not hydrogen bond to each other which makes them have lower boiling points than alcohols.
Why is aliphatic amines stronger bases than aromatic amines?
because aromatic amines are stronger acid due to its being a secondary amine
Why primary amines have higher boiling point than tertiary amines?
Due to the absence of replaceable hydrogen atoms
Why are alcohols considered as weak acids?
Due to resonance RCOO- ion in carboxyllic acid is more stable than that of RCO- ion in alcohols. Carboxyllic acid can more easily furnish H+ ion than that of alcohols. Carboxyllic acid is more acidic than alcohols.
Why are amines lighter than water?
Amines are organic compounds and functional groups that contain a basic nitrogen atom with a lone pair. Amines are derivatives of ammonia, wherein one or more hydrogen atoms have been replaced by a substituent such as an alkyl or aryl group.Amines are lighter than water because the molecule density is less than of water's. Aka there is more space between the molecules.
Why do aldehydes and ketones have lower boiling points than their correspending alcohols?
Ketones and aldehydes do not have hydrocarbon atoms which bond to nitrogen or oxygen, individual molecules do not hydrogen bond to each other which makes them have lower boiling points than alcohols.
Why is aliphatic amines stronger bases than aromatic amines?
because aromatic amines are stronger acid due to its being a secondary amine
Why is cold ethanol better than room temperaure for DNA isolation?
DNA does not dissolve on Alcohols. It is better to store it in cold temp. for it not to denature
Why primary amines have higher boiling point than tertiary amines?
Due to the absence of replaceable hydrogen atoms
What hydrocarbons are acids and alcohols?
None - hydrocarbons are chemically different than acids and alcohols
Polyhydroxyl alcohols are alcohols with more than one hydroxyl group attached to a carbon sequence?
molecule
Why aromatic alcohols are more acidic than aliphatic alcohols?
aromatic alcohols undergo resonance which stabilizes the conjugate base, in aliphatic alcohols +I effect of alkyl group increase the -ve charge in the conjugate base thus make it unstable
Why are alcohols considered as weak acids?
Due to resonance RCOO- ion in carboxyllic acid is more stable than that of RCO- ion in alcohols. Carboxyllic acid can more easily furnish H+ ion than that of alcohols. Carboxyllic acid is more acidic than alcohols.
Why are amines lighter than water?
Amines are organic compounds and functional groups that contain a basic nitrogen atom with a lone pair. Amines are derivatives of ammonia, wherein one or more hydrogen atoms have been replaced by a substituent such as an alkyl or aryl group.Amines are lighter than water because the molecule density is less than of water's. Aka there is more space between the molecules.
Amides are less basic than amines because?
Because in amines (R-NH2),nitrogen have lone pair of electrons which serves to accept proton thatswhy it is basic,while in amides (RCO-NH2) the amine group bonded with cabonyl group and due to high electronegetivity of oxygen NH2 group involve in resonance thats why it is less basic than amines.
Which is more volatile alcohols or organic acids?
alcohols are more volatile than organic carboxylic acids (each with same number of carbon atoms).
What are solid alcohols?
Alcohols with melting point higher than 20 °C. Eg. dodecan-1-ol (C12H25OH): Mp. 24 °C
