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Oxygen is more electronegative than carbon, and thus pulls electron density away from carbon to increase the bond's polarity. Therefore, the carbonyl carbon becomes electrophilic, and thus more reactive with nucleophiles. Also, the electronegative oxygen can react with an electrophile; for example a proton in an acidic solution or other Lewis Acid. refer to http://en.wikipedia.org/wiki/Carbonyl
aadarsh
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Why is ketones and aldehydes are called as polar compounds?
aldehydes n ketones contain a carbonyl group in which carbon is attached to an oxygen with a double bond. The carbon is less electronegative than oxygen therefore carbon acts as an electrophile and oxygen acts an a nucleophile. That is carbon is partially positively charged n oxygen is partially negatively charged. Hence aldehydes n ketones are polar compounds
Does ethanol contains the carbonyl group?
No, ethanol does not contain a carbonyl group. Ethanol's chemical structure consists of a hydroxyl (-OH) group, not a carbonyl group. A carbonyl group is characterized by a carbon atom double-bonded to an oxygen atom, like in aldehydes or ketones.
Is the carbonyl group electron withdrawing or donating?
The carbonyl group is electron withdrawing.
What is the function of sulphuric acid in the nitration of benzene?
Sulfuric acid acts as a catalyst in the nitration of benzene by protonating the nitric acid, which generates a more reactive electrophile (NO2+). This electrophile then attacks the benzene ring to introduce the nitro group during the nitration process.
What functional group is removed from a molecule when the carbonyl group is eliminated?
When the carbonyl group is eliminated from a molecule, the functional group that is removed is the carbonyl group itself, which consists of a carbon atom double-bonded to an oxygen atom.
In cross aldol condensation between aldehyde and ketone why aldehyde is always an electrophile?
Alkyl groups are electron donating (whereas hydrogen atoms aren't). A ketone has 2 alkyl groups attached to the carbonyl carbon, but an aldehyde has only 1 alkyl group attached to its carbonyl carbon. This gives the aldehyde carbon more positive charge character, which makes it a better electrophile than the ketone. Another factor is less stearic hindrence for carbonyl carbon of aldehyde as compare to ketones.
Why is ketones and aldehydes are called as polar compounds?
aldehydes n ketones contain a carbonyl group in which carbon is attached to an oxygen with a double bond. The carbon is less electronegative than oxygen therefore carbon acts as an electrophile and oxygen acts an a nucleophile. That is carbon is partially positively charged n oxygen is partially negatively charged. Hence aldehydes n ketones are polar compounds
Does ethanol contains the carbonyl group?
No, ethanol does not contain a carbonyl group. Ethanol's chemical structure consists of a hydroxyl (-OH) group, not a carbonyl group. A carbonyl group is characterized by a carbon atom double-bonded to an oxygen atom, like in aldehydes or ketones.
Is the carbonyl group electron withdrawing or donating?
The carbonyl group is electron withdrawing.
What is the function of sulphuric acid in the nitration of benzene?
Sulfuric acid acts as a catalyst in the nitration of benzene by protonating the nitric acid, which generates a more reactive electrophile (NO2+). This electrophile then attacks the benzene ring to introduce the nitro group during the nitration process.
What functional group is removed from a molecule when the carbonyl group is eliminated?
When the carbonyl group is eliminated from a molecule, the functional group that is removed is the carbonyl group itself, which consists of a carbon atom double-bonded to an oxygen atom.
What function group is found in an aldehyde?
Carbonyl
Can a hydroxyl group be called a carbonyl group?
No, a hydroxyl group is different than a carbonyl group. A hydroxyl group is an O-H group, while a carbonyl group is a C=O (double bond) group. Perhaps you are thinking of a carboxyl group, which is a sort of hybrid of the 2 groups. Carboxyl groups are C-O-O-H, essentially a merge of the hydroxyl and carbonyl groups.
What is a carbonyl esters group?
In the field of organic chemistry a carbonyl group consists of carbon atoms double bonded with some oxygen atoms. However, Carbonyl Esters consists of carbonyl group influenced by different alkyl groups.
What is the functional group of glucose?
carbonyl group
What is the reaction mechanism of carbonyl compounds with LiAlH4, where the effective reducing species is?
The reaction mechanism of carbonyl compounds with LiAlH4 involves the reduction of the carbonyl group to form an alcohol. LiAlH4 acts as the reducing agent in this reaction by donating a hydride ion to the carbonyl carbon, leading to the formation of an alkoxide intermediate which then undergoes protonation to yield the alcohol product.
What is the carbonyl group present at the end of a molecule will make the molecule?
The carbonyl group, -COOH, makes a molecule acidic.
