Aldehydes are more reactive than ketones towa | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(B) $1$. Nucleophilic addition reactions in carbonyl compounds depend on the electrophilicity of the carbonyl carbon and steric hindrance.$2$. Aldehyd

Vedclass · Accepted Answer

presence of two alkyl groups on ketones decreases their electrophilicity

Vedclass · Answer

(B) $1$. Nucleophilic addition reactions in carbonyl compounds depend on the electrophilicity of the carbonyl carbon and steric hindrance.$2$. Aldehydes have one alkyl group and one hydrogen atom attached to the carbonyl carbon, whereas ketones have two alkyl groups.$3$. Alkyl groups are electron-donating ($+I$ effect), which reduces the positive charge (electrophilicity) on the carbonyl carbon.$4$. Ketones have two such groups, making them less electrophilic than aldehydes.$5$. Additionally, two alkyl groups in ketones create more steric hindrance compared to one alkyl group and one small hydrogen atom in aldehydes, making the approach of the nucleophile more difficult in ketones.

Aldehydes are more reactive than ketones towards nucleophilic attack because of?

Similar Questions

Which one of the following is used for the purification of aldehydes?

Propyne was subjected to a reaction with $HgSO_4/dil. H_2SO_4$,which resulted in a product $P$. The product $P$ was heated with $Ba(OH)_2$ to give the product $Q$. The molecular formula of the product $Q$ is

The reagent$(s)$ which can be used to bring about the following transformation is(are):
$(A)$ $LiAlH_4$ in $(C_2H_5)_2O$
$(B)$ $BH_3$ in $THF$
$(C)$ $NaBH_4$ in $C_2H_5OH$
$(D)$ Raney $Ni / H_2$ in $THF$

The products $(A)$ and $(B)$ are formed by the following reaction sequence:
$1$. $\text{NH}_2\text{OH}$
$2$. $\text{H}^+, \Delta$
$3$. $\text{LiAlH}_4$
Identify the products $(A)$ and $(B)$.

If formaldehyde and potassium hydroxide are heated,then we get

Vedclass Test Series

Exam Paper Generator

Online Exam Module