The appropriate naming for the second step in | vedclass

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

Question

(B) The haloform reaction involves three main steps: $1$. $\alpha$-halogenation: The $\alpha$-hydrogens of the carbonyl compound are replaced by halog

Vedclass · Accepted Answer

Dehydrohalogenation

Vedclass · Answer

(B) The haloform reaction involves three main steps: $1$. $\alpha$-halogenation: The $\alpha$-hydrogens of the carbonyl compound are replaced by halogen atoms. $2$. Hydrolysis (or cleavage): The trihalomethyl ketone formed in the first step undergoes nucleophilic attack by $OH^-$ followed by the cleavage of the $C-C$ bond to produce a carboxylate ion and a haloform $(CHX_3)$. $3$. Acid-base reaction: The haloform is formed. However, in many textbooks, the process of forming the haloform from the trihalomethyl intermediate is often categorized under the broader mechanism of nucleophilic acyl substitution or simply the cleavage step. Given the options provided, the reaction sequence is often described as $\alpha$-halogenation followed by the cleavage/hydrolysis step. Since the question asks for the naming of the second step in the context of the haloform reaction mechanism, and considering the options, the most accurate description of the transformation of the trihalomethyl ketone is the cleavage step, which is a type of nucleophilic substitution. If we look at the options, none perfectly describe the cleavage, but the reaction is often taught as $\alpha$-halogenation followed by the formation of the haloform. Given the standard options, if the question implies the overall process, the second step is the cleavage of the $C-C$ bond.

The appropriate naming for the second step in the haloform reaction is:

Similar Questions

$A$ carbonyl compound reacts with hydrogen cyanide $(HCN)$ to form cyanohydrin,which on hydrolysis forms a racemic mixture of $\alpha$-hydroxy acid. The carbonyl compound is:

$C_6H_5CHO + C_6H_5COCH_3 \xrightarrow[293 \ K]{OH^{-}}$ product of reaction is . . . . . . .

Which of the following statements is wrong?

Acetal is obtained by reacting which of the following in the presence of dry $HCl$ and alcohol?

What will be the order of reactivity of the following carbonyl compounds with a nucleophile?
$(I)$ $HCHO$
$(II)$ $CH_3CHO$
$(III)$ $(CH_3)_2CO$
$(IV)$ $(Me_3C)_2CO$

Vedclass Test Series

Exam Paper Generator

Online Exam Module