Which correct sequence of reactions are applied to achieve the following transformation?
To determine the correct sequence of reactions required to achieve the given transformation, we must understand the individual reactions involved and their specific roles.
The transformation involves converting benzoyl chloride to cinnamaldehyde. Let's break down the steps:
- Rosenmund's Reduction: This reaction is used to reduce acyl chlorides to aldehydes. Here, benzoyl chloride is reduced to benzaldehyde using hydrogen gas in the presence of palladium on barium sulfate (Pd-BaSO4).
- Claisen-Schmidt Reaction: This reaction is an aldol condensation between an aldehyde and a ketone in the presence of a base. In this reaction, benzaldehyde reacts with acetaldehyde (CH3CHO) under basic conditions (dil. NaOH) to form cinnamaldehyde.
Therefore, the correct sequence of reactions to achieve the transformation from benzoyl chloride to cinnamaldehyde is:
Rosenmund's reduction followed by Claisen-Schmidt's reaction
This sequence effectively accomplishes the conversion depicted in the transformation diagram. The Rosenmund's reduction firstly converts benzoyl chloride to benzaldehyde, and then the Claisen-Schmidt reaction facilitates the formation of cinnamaldehyde by reacting benzaldehyde with acetaldehyde.
Important Questions from Chemistry (CUET PG) Mixed
- Which of the following atmospheric gas does not dissolve in water at standard temperature and pressure conditions?
- Which of the following physical processes is responsible for the blue color of the sky?
- Arrange the following coal types in the increasing order of their heat content (KJ/kg)
(A). Peat
(B). Lignite
(C). Anthracite
(D). Bituminous
(E) Sub-bituminous
Choose the correct answer from the options given below: - In which of the following layers of atmosphere, does the temperature decrease with the increase in height from the earth's surafce?
(A). Troposphere
(B). Mesosphere
(C). Thermosphere
(D). Stratosphere
Choose the correct answer from the options given below: Choose the correct statement from the following:
(A). Water has highest density at 4°C
(B). Freezing point of water is 0°C
(C) An Ice cube does not completely dip in water, rather floats on water in a glass.
(D). Addition of common salt reduces freezing point of water.
Choose the correct answer from the options given below:
