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Both aldehydes and ketones contain a C=O (carbon double bond oxygen). Ketones have this C=O somewhere in their carbon chain, but not at the start or end of the chain (ie: there are more carbons attached to the carbon containing the double bond oxygen, and no hydrogens bonded to that carbon).
Aldehydes have there C=O at the end, or start of the chain, and to maintain the octet rule, there is hydrogen bonded to the oxygen containing carbon (please note that it is a C=O).
The functional group of alcohol is OH. This OH is bonded directly to the last (or first) carbon in the chain. The big difference is that the carbon bond oxygen is a single bond and the hydrogen is bonded to the oxygen (not the carbon, as the case of aldehydes).
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Aldehydes and ketones may be reduced to?
alcohol
Which two groups have the same functional group?
ketones and aldehydes
What types of aldehydes and ketones would you expect to be water-soluble?
The aldehydes and ketones having three or less carbon atoms are soluble in water.
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
What kind of alcohols can be used to prepare aldehydes?
All primary (10) alcohols may be oxidized to aldehydes.
Aldehydes and ketones may be reduced to?
alcohol
Which two groups have the same functional group?
ketones and aldehydes
What types of aldehydes and ketones would you expect to be water-soluble?
The aldehydes and ketones having three or less carbon atoms are soluble in water.
From an organic chemistry perspective carbohydrates are polyhydroxyl?
Aldehydes and ketones
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.
How does ketones react with sodium bicarbonate?
Ketones or Aldehydes DO NOT react with Sodium Bicarbonate..generally only Carboxilic acids have the ability to do it!
Why teritay alcohol cannot be made by hydrogenation of aldehydes or ketones?
Ter. alcohols are those in which alpha carbon (carbon bearing halogen atom) is attached to three other carbon atoms, in aldehyde there is only one and in ketones there are two carbons attached to alpha carbon so by hydrogenation aldehydes may be converted into primary alcohols and ketones into secondary alcohols so preparation of ter. alcohols is not possible. however ketones with Grignard's reagents may produce tertiary alcohols.
What are products of ozonolysis of natural rubber?
alcohols, aldehydes or ketones, or carboxylic acids
What does Clemmensen reduction do to OH group?
Aldehydes and ketones haven't an -OH group.
Tollen's test on ketones?
A Silver mirror does not appear as ketones cannot be further oxidized unlike aldehydes in which a silver mirror does appear.
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
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.
