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Why do aldehydes and ketones undergo number of addition reaction?
Aldehydes and ketones undergo a variety of addition reactions primarily due to the presence of the carbonyl group (C=O), which is polar. This polarity makes the carbon atom electrophilic, allowing it to attract nucleophiles. When a nucleophile attacks the carbonyl carbon, it leads to the formation of a tetrahedral intermediate, facilitating further reactions. This reactivity is a key feature that distinguishes aldehydes and ketones from other functional groups.
Why KCN fail to react with aldehyde and ketones?
KCN does not react with aldehydes and ketones because these compounds do not have an acidic hydrogen that can be removed to form an enolate ion, which is necessary for nucleophilic addition reactions with cyanide ions. Aldehydes and ketones lack the necessary alpha carbon acidity to undergo this reaction with KCN.
What are the formulas of aldehydes and ketones?
The general formula for aldehydes is RCHO (where R is a hydrocarbon group), and the general formula for ketones is R2CO (where R is a hydrocarbon group).
What does Clemmensen reduction do to OH group?
Aldehydes and ketones haven't an -OH group.
Are monomers and polymers of aldehydes and keytones that have hydroxyl groups attached?
No, monomers and polymers of aldehydes and ketones do not have hydroxyl groups attached. Aldehydes and ketones have a carbonyl group (C=O) attached to at least one carbon atom and do not have any hydroxyl groups (-OH) attached to the carbon chain.
From an organic chemistry perspective carbohydrates are polyhydroxyl?
Aldehydes and ketones
What can sodium borohydride reduce in chemical reactions?
Sodium borohydride can reduce carbonyl compounds, such as aldehydes and ketones, in chemical reactions.
How areketones and aldehydes related?
Ketones and aldehydes are both organic compounds that contain a carbonyl functional group (C=O). The main difference between them is in the placement of the carbonyl group: ketones have the carbonyl group located in the middle of the carbon chain, while aldehydes have it at the end of the chain. Both ketones and aldehydes are important in various chemical reactions and serve as building blocks for more complex molecules.
Which two groups have the same functional group?
ketones and aldehydes
Why do aldehydes and ketones undergo number of addition reaction?
Aldehydes and ketones undergo a variety of addition reactions primarily due to the presence of the carbonyl group (C=O), which is polar. This polarity makes the carbon atom electrophilic, allowing it to attract nucleophiles. When a nucleophile attacks the carbonyl carbon, it leads to the formation of a tetrahedral intermediate, facilitating further reactions. This reactivity is a key feature that distinguishes aldehydes and ketones from other functional groups.
Why KCN fail to react with aldehyde and ketones?
KCN does not react with aldehydes and ketones because these compounds do not have an acidic hydrogen that can be removed to form an enolate ion, which is necessary for nucleophilic addition reactions with cyanide ions. Aldehydes and ketones lack the necessary alpha carbon acidity to undergo this reaction with KCN.
Why are carbohydrates polar?
Carbohydrates are polar because of their composition. They are composed of organic compounds that are simple like ketones and aldehydes that have polar hydroxyl groups attached.
What is the difference in acidity between aldehydes and ketones?
Aldehydes are generally more acidic than ketones due to the presence of a hydrogen atom attached to the carbonyl group in aldehydes, which can be easily donated as a proton. This makes aldehydes more reactive towards nucleophiles compared to ketones.
How are ketone and aldehydes related?
Aldehydes and ketones contain the carbonyl group C=O.
What are the formulas of aldehydes and ketones?
The general formula for aldehydes is RCHO (where R is a hydrocarbon group), and the general formula for ketones is R2CO (where R is a hydrocarbon group).
What is the difference between aldehydes and ketones?
Aldehydes and ketones are both types of organic compounds with a carbonyl group, but the key difference is their location within the molecule. Aldehydes have the carbonyl group at the end of a carbon chain, while ketones have it in the middle. This structural variance leads to differences in their chemical properties and reactivity.
Why are aldehydes more reactive than ketones towards nucleophile?
Aldehydes are less sterically hindered than ketones. Also, aldehydes have fewer electron donating groups (EDG's) which can stabilize an electron-poor area. The extra carbon chain that ketones have that aldehydes do not have are the reason for both of these things. The neighboring carbon to the carbonyl carbon is an EDG and the carbon chain causes steric hindrance.
