Table of Contents
- 1 Which of the following products is formed finally when acetaldehyde reacts with HCN followed by hydrolysis?
- 2 What is the product formed when acetaldehyde reacts with HCN?
- 3 Which of the following compounds on reaction with HCN and subsequent hydrolysis would yield lactic acid?
- 4 Which compound is most reactive towards HCN?
- 5 What would be the product when acetaldehyde reacts with?
- 6 What happens when acetaldehyde reacts with hydrazine?
- 7 Which of the following aldehyde Cyanohydrin on hydrolysis gives lactic acid?
- 8 What is the increasing order of reactivity of the following towards HCN addition?
Which of the following products is formed finally when acetaldehyde reacts with HCN followed by hydrolysis?
Lactic acid
The reaction of acetaldehyde with HCN followed by hydrolysis gives a product which exhibits. Geometrical isomerism. Lactic acid is formed.
What is the product formed when acetaldehyde reacts with HCN?
Solution 1. Acetaldehyde (CH3CHO) reacts with hydrogen cyanide HCN to give 2-Hydroxypropapanenitrile as product.
What happens when I acetaldehyde is treated with HCN and the product is hydrolysed?
when acetaldehyde react with HCN, cyanohydrin(CH3CH(OH)CN) will form and when this is subjected to acid hydrolysis an alpha hydroxy acid(CH3CH(OH)COOH) or alpha-beta unsaturated acid(CH2=CH(OH)COOH)will form.
Which of the following compounds on reaction with HCN and subsequent hydrolysis would yield lactic acid?
Acetaldehyde
Acetaldehyde gives lactic acid on treating with HCN, followed by hydrolysis.
Which compound is most reactive towards HCN?
Explanation: The \[\ce{H – CHO}\] molecule is extremely reactive to HCN. This is owing to the methylene group’s lower hinderece during nucleophilic substitution. The more bulky the methylene group, the greater the barrier to nucleophilic substitution is formed, and it is the least stable, making it the most reactive.
Do carboxylic acids react with HCN?
In particular, dehydration can convert the hydroxyl group into an alkene (Section 17.6). The nitrile can be converted into a carboxylic acid function group through reaction with a hot acidic aqueous solution (Section 20.7). Also, the nitrile can be reduced by the addition of LiAlH4 to form a primary amine.
What would be the product when acetaldehyde reacts with?
Acetaldehyde forms a stable acetal upon reaction with ethanol under conditions that favor dehydration. The product, CH3CH(OCH2CH3)2, is formally named 1,1-diethoxyethane but is commonly referred to as “acetal”.
What happens when acetaldehyde reacts with hydrazine?
Aldehydes and ketones can be converted to a hydrazine derivative by reaction with hydrazine. These “hydrazones” can be further converted to the corresponding alkane by reaction with base and heat. Nitrogen gas is produced as part of this reaction.
What is the action of HCN on acetone?
Action of HCN on acetaone : When acetone is treated with hydrogen cyanide, acetone cyanohydrin is formed.
Which of the following aldehyde Cyanohydrin on hydrolysis gives lactic acid?
Lactic acid is obtained by the hydrolysis of acetaldehyde cyanohydrin.
What is the increasing order of reactivity of the following towards HCN addition?
A<B